Home / 417,561.18-626,336.30-102,020.82

Finding the Fourth Proportional to 417,561.18, 626,336.30 and 102,020.82

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Solution

The fourth proportional to 417,561.18, 626,336.30 and 102,020.82 is: 153,029.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,561.18 : 626,336.30 = 102,020.82 : x
  2. Step 2: Convert to fraction form
    417,561.18/626,336.30 = 102,020.82/x
  3. Step 3: Cross multiply
    417,561.18x = 626,336.30 × 102,020.82
  4. Step 4: Simplify right side
    417,561.18x = 63,899,339,279.98
  5. Step 5: Solve for x
    x = 63,899,339,279.98/417,561.18
  6. Step 6: Final answer
    x = 153,029.89

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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.