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Finding the Fourth Proportional to 373,518, 560,281.86 and 124,200

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Solution

The fourth proportional to 373,518, 560,281.86 and 124,200 is: 186,301.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,518 : 560,281.86 = 124,200 : x
  2. Step 2: Convert to fraction form
    373,518/560,281.86 = 124,200/x
  3. Step 3: Cross multiply
    373,518x = 560,281.86 × 124,200
  4. Step 4: Simplify right side
    373,518x = 69,587,007,012
  5. Step 5: Solve for x
    x = 69,587,007,012/373,518
  6. Step 6: Final answer
    x = 186,301.62

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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.