Home / 537,669.56-806,512.26-138,301.40

Finding the Fourth Proportional to 537,669.56, 806,512.26 and 138,301.40

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Solution

The fourth proportional to 537,669.56, 806,512.26 and 138,301.40 is: 207,454.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,669.56 : 806,512.26 = 138,301.40 : x
  2. Step 2: Convert to fraction form
    537,669.56/806,512.26 = 138,301.40/x
  3. Step 3: Cross multiply
    537,669.56x = 806,512.26 × 138,301.40
  4. Step 4: Simplify right side
    537,669.56x = 111,541,774,675.16
  5. Step 5: Solve for x
    x = 111,541,774,675.16/537,669.56
  6. Step 6: Final answer
    x = 207,454.14

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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.