Home / 257,849.18-386,852.96-123,085.22

Finding the Fourth Proportional to 257,849.18, 386,852.96 and 123,085.22

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Solution

The fourth proportional to 257,849.18, 386,852.96 and 123,085.22 is: 184,665.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,849.18 : 386,852.96 = 123,085.22 : x
  2. Step 2: Convert to fraction form
    257,849.18/386,852.96 = 123,085.22/x
  3. Step 3: Cross multiply
    257,849.18x = 386,852.96 × 123,085.22
  4. Step 4: Simplify right side
    257,849.18x = 47,615,881,689.25
  5. Step 5: Solve for x
    x = 47,615,881,689.25/257,849.18
  6. Step 6: Final answer
    x = 184,665.63

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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.