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Finding the Fourth Proportional to 460,551.88, 690,920.94 and 194,313.04

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Solution

The fourth proportional to 460,551.88, 690,920.94 and 194,313.04 is: 291,508.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,551.88 : 690,920.94 = 194,313.04 : x
  2. Step 2: Convert to fraction form
    460,551.88/690,920.94 = 194,313.04/x
  3. Step 3: Cross multiply
    460,551.88x = 690,920.94 × 194,313.04
  4. Step 4: Simplify right side
    460,551.88x = 134,254,948,251.06
  5. Step 5: Solve for x
    x = 134,254,948,251.06/460,551.88
  6. Step 6: Final answer
    x = 291,508.85

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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.