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Finding the Fourth Proportional to 549,915.76, 758,892.72 and 308,252.08

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Solution

The fourth proportional to 549,915.76, 758,892.72 and 308,252.08 is: 425,392.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,915.76 : 758,892.72 = 308,252.08 : x
  2. Step 2: Convert to fraction form
    549,915.76/758,892.72 = 308,252.08/x
  3. Step 3: Cross multiply
    549,915.76x = 758,892.72 × 308,252.08
  4. Step 4: Simplify right side
    549,915.76x = 233,930,259,436.86
  5. Step 5: Solve for x
    x = 233,930,259,436.86/549,915.76
  6. Step 6: Final answer
    x = 425,392.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.