Home / 515,445.24-773,278.90-155,585.94

Finding the Fourth Proportional to 515,445.24, 773,278.90 and 155,585.94

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Solution

The fourth proportional to 515,445.24, 773,278.90 and 155,585.94 is: 233,412.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,445.24 : 773,278.90 = 155,585.94 : x
  2. Step 2: Convert to fraction form
    515,445.24/773,278.90 = 155,585.94/x
  3. Step 3: Cross multiply
    515,445.24x = 773,278.90 × 155,585.94
  4. Step 4: Simplify right side
    515,445.24x = 120,311,324,538.67
  5. Step 5: Solve for x
    x = 120,311,324,538.67/515,445.24
  6. Step 6: Final answer
    x = 233,412.43

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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.