Home / 257,381.37-386,120.56-97,505.19

Finding the Fourth Proportional to 257,381.37, 386,120.56 and 97,505.19

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Solution

The fourth proportional to 257,381.37, 386,120.56 and 97,505.19 is: 146,276.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,381.37 : 386,120.56 = 97,505.19 : x
  2. Step 2: Convert to fraction form
    257,381.37/386,120.56 = 97,505.19/x
  3. Step 3: Cross multiply
    257,381.37x = 386,120.56 × 97,505.19
  4. Step 4: Simplify right side
    257,381.37x = 37,648,758,078.18
  5. Step 5: Solve for x
    x = 37,648,758,078.18/257,381.37
  6. Step 6: Final answer
    x = 146,276.16

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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.