Home / 335,323.28-502,309.56-155,154.80

Finding the Fourth Proportional to 335,323.28, 502,309.56 and 155,154.80

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Solution

The fourth proportional to 335,323.28, 502,309.56 and 155,154.80 is: 232,419.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,323.28 : 502,309.56 = 155,154.80 : x
  2. Step 2: Convert to fraction form
    335,323.28/502,309.56 = 155,154.80/x
  3. Step 3: Cross multiply
    335,323.28x = 502,309.56 × 155,154.80
  4. Step 4: Simplify right side
    335,323.28x = 77,935,739,319.89
  5. Step 5: Solve for x
    x = 77,935,739,319.89/335,323.28
  6. Step 6: Final answer
    x = 232,419.71

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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.