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Finding the Fourth Proportional to 383,000.70, 574,501.05 and 102,517.95

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Solution

The fourth proportional to 383,000.70, 574,501.05 and 102,517.95 is: 153,776.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,000.70 : 574,501.05 = 102,517.95 : x
  2. Step 2: Convert to fraction form
    383,000.70/574,501.05 = 102,517.95/x
  3. Step 3: Cross multiply
    383,000.70x = 574,501.05 × 102,517.95
  4. Step 4: Simplify right side
    383,000.70x = 58,896,669,918.85
  5. Step 5: Solve for x
    x = 58,896,669,918.85/383,000.70
  6. Step 6: Final answer
    x = 153,776.93

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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.