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Finding the Fourth Proportional to 370,117.83, 555,174.90 and 89,635.08

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Solution

The fourth proportional to 370,117.83, 555,174.90 and 89,635.08 is: 134,452.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,117.83 : 555,174.90 = 89,635.08 : x
  2. Step 2: Convert to fraction form
    370,117.83/555,174.90 = 89,635.08/x
  3. Step 3: Cross multiply
    370,117.83x = 555,174.90 × 89,635.08
  4. Step 4: Simplify right side
    370,117.83x = 49,763,146,575.49
  5. Step 5: Solve for x
    x = 49,763,146,575.49/370,117.83
  6. Step 6: Final answer
    x = 134,452.17

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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.