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Finding the Fourth Proportional to 373,986.70, 560,980.06 and 93,503.95

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Solution

The fourth proportional to 373,986.70, 560,980.06 and 93,503.95 is: 140,255.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,986.70 : 560,980.06 = 93,503.95 : x
  2. Step 2: Convert to fraction form
    373,986.70/560,980.06 = 93,503.95/x
  3. Step 3: Cross multiply
    373,986.70x = 560,980.06 × 93,503.95
  4. Step 4: Simplify right side
    373,986.70x = 52,453,853,000.54
  5. Step 5: Solve for x
    x = 52,453,853,000.54/373,986.70
  6. Step 6: Final answer
    x = 140,255.93

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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.