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Finding the Fourth Proportional to 373,460.64, 560,440.08 and 193,711.92

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Solution

The fourth proportional to 373,460.64, 560,440.08 and 193,711.92 is: 290,697.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,460.64 : 560,440.08 = 193,711.92 : x
  2. Step 2: Convert to fraction form
    373,460.64/560,440.08 = 193,711.92/x
  3. Step 3: Cross multiply
    373,460.64x = 560,440.08 × 193,711.92
  4. Step 4: Simplify right side
    373,460.64x = 108,563,923,941.75
  5. Step 5: Solve for x
    x = 108,563,923,941.75/373,460.64
  6. Step 6: Final answer
    x = 290,697.10

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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.