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Finding the Fourth Proportional to 503,666.07, 755,761.55 and 223,117.71

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Solution

The fourth proportional to 503,666.07, 755,761.55 and 223,117.71 is: 334,792.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,666.07 : 755,761.55 = 223,117.71 : x
  2. Step 2: Convert to fraction form
    503,666.07/755,761.55 = 223,117.71/x
  3. Step 3: Cross multiply
    503,666.07x = 755,761.55 × 223,117.71
  4. Step 4: Simplify right side
    503,666.07x = 168,623,785,226.46
  5. Step 5: Solve for x
    x = 168,623,785,226.46/503,666.07
  6. Step 6: Final answer
    x = 334,792.82

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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.