Home / 257,438,328.40-386,157,492.60-184,501,003.60

Finding the Fourth Proportional to 257,438,328.40, 386,157,492.60 and 184,501,003.60

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Solution

The fourth proportional to 257,438,328.40, 386,157,492.60 and 184,501,003.60 is: 276,751,505.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,438,328.40 : 386,157,492.60 = 184,501,003.60 : x
  2. Step 2: Convert to fraction form
    257,438,328.40/386,157,492.60 = 184,501,003.60/x
  3. Step 3: Cross multiply
    257,438,328.40x = 386,157,492.60 × 184,501,003.60
  4. Step 4: Simplify right side
    257,438,328.40x = 71,246,444,932,359,576
  5. Step 5: Solve for x
    x = 71,246,444,932,359,576/257,438,328.40
  6. Step 6: Final answer
    x = 276,751,505.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.