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Finding the Fourth Proportional to 373,954.32, 560,597.76 and 137,242.08

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Solution

The fourth proportional to 373,954.32, 560,597.76 and 137,242.08 is: 205,740.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,954.32 : 560,597.76 = 137,242.08 : x
  2. Step 2: Convert to fraction form
    373,954.32/560,597.76 = 137,242.08/x
  3. Step 3: Cross multiply
    373,954.32x = 560,597.76 × 137,242.08
  4. Step 4: Simplify right side
    373,954.32x = 76,937,602,625.74
  5. Step 5: Solve for x
    x = 76,937,602,625.74/373,954.32
  6. Step 6: Final answer
    x = 205,740.64

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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.