Home / 391,427.10-540,160.25-230,292.52

Finding the Fourth Proportional to 391,427.10, 540,160.25 and 230,292.52

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Solution

The fourth proportional to 391,427.10, 540,160.25 and 230,292.52 is: 317,798.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,427.10 : 540,160.25 = 230,292.52 : x
  2. Step 2: Convert to fraction form
    391,427.10/540,160.25 = 230,292.52/x
  3. Step 3: Cross multiply
    391,427.10x = 540,160.25 × 230,292.52
  4. Step 4: Simplify right side
    391,427.10x = 124,394,862,674.47
  5. Step 5: Solve for x
    x = 124,394,862,674.47/391,427.10
  6. Step 6: Final answer
    x = 317,798.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.