Home / 289,312.11-433,591.17-161,223.29

Finding the Fourth Proportional to 289,312.11, 433,591.17 and 161,223.29

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Solution

The fourth proportional to 289,312.11, 433,591.17 and 161,223.29 is: 241,624.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,312.11 : 433,591.17 = 161,223.29 : x
  2. Step 2: Convert to fraction form
    289,312.11/433,591.17 = 161,223.29/x
  3. Step 3: Cross multiply
    289,312.11x = 433,591.17 × 161,223.29
  4. Step 4: Simplify right side
    289,312.11x = 69,904,996,429.39
  5. Step 5: Solve for x
    x = 69,904,996,429.39/289,312.11
  6. Step 6: Final answer
    x = 241,624.85

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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.