Home / 506,069.11-758,845.68-168,988.69

Finding the Fourth Proportional to 506,069.11, 758,845.68 and 168,988.69

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Solution

The fourth proportional to 506,069.11, 758,845.68 and 168,988.69 is: 253,396.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,069.11 : 758,845.68 = 168,988.69 : x
  2. Step 2: Convert to fraction form
    506,069.11/758,845.68 = 168,988.69/x
  3. Step 3: Cross multiply
    506,069.11x = 758,845.68 × 168,988.69
  4. Step 4: Simplify right side
    506,069.11x = 128,236,337,375.36
  5. Step 5: Solve for x
    x = 128,236,337,375.36/506,069.11
  6. Step 6: Final answer
    x = 253,396.89

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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.