Home / 513,349.63-769,965.59-134,306.96

Finding the Fourth Proportional to 513,349.63, 769,965.59 and 134,306.96

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Solution

The fourth proportional to 513,349.63, 769,965.59 and 134,306.96 is: 201,445.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,349.63 : 769,965.59 = 134,306.96 : x
  2. Step 2: Convert to fraction form
    513,349.63/769,965.59 = 134,306.96/x
  3. Step 3: Cross multiply
    513,349.63x = 769,965.59 × 134,306.96
  4. Step 4: Simplify right side
    513,349.63x = 103,411,734,183.45
  5. Step 5: Solve for x
    x = 103,411,734,183.45/513,349.63
  6. Step 6: Final answer
    x = 201,445.04

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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.