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Finding the Fourth Proportional to 357,758.85, 536,656.65 and 91,521.66

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Solution

The fourth proportional to 357,758.85, 536,656.65 and 91,521.66 is: 137,287.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,758.85 : 536,656.65 = 91,521.66 : x
  2. Step 2: Convert to fraction form
    357,758.85/536,656.65 = 91,521.66/x
  3. Step 3: Cross multiply
    357,758.85x = 536,656.65 × 91,521.66
  4. Step 4: Simplify right side
    357,758.85x = 49,115,707,458.04
  5. Step 5: Solve for x
    x = 49,115,707,458.04/357,758.85
  6. Step 6: Final answer
    x = 137,287.19

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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.