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Finding the Fourth Proportional to 337,722.40, 506,518.80 and 101,072.80

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Solution

The fourth proportional to 337,722.40, 506,518.80 and 101,072.80 is: 151,589.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,722.40 : 506,518.80 = 101,072.80 : x
  2. Step 2: Convert to fraction form
    337,722.40/506,518.80 = 101,072.80/x
  3. Step 3: Cross multiply
    337,722.40x = 506,518.80 × 101,072.80
  4. Step 4: Simplify right side
    337,722.40x = 51,195,273,368.64
  5. Step 5: Solve for x
    x = 51,195,273,368.64/337,722.40
  6. Step 6: Final answer
    x = 151,589.81

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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.