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Finding the Fourth Proportional to 471,521.88, 707,275.89 and 116,535.93

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Solution

The fourth proportional to 471,521.88, 707,275.89 and 116,535.93 is: 174,802.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,521.88 : 707,275.89 = 116,535.93 : x
  2. Step 2: Convert to fraction form
    471,521.88/707,275.89 = 116,535.93/x
  3. Step 3: Cross multiply
    471,521.88x = 707,275.89 × 116,535.93
  4. Step 4: Simplify right side
    471,521.88x = 82,423,053,607.73
  5. Step 5: Solve for x
    x = 82,423,053,607.73/471,521.88
  6. Step 6: Final answer
    x = 174,802.18

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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.