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Finding the Fourth Proportional to 341,248.28, 511,970.80 and 104,625.86

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Solution

The fourth proportional to 341,248.28, 511,970.80 and 104,625.86 is: 156,968.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,248.28 : 511,970.80 = 104,625.86 : x
  2. Step 2: Convert to fraction form
    341,248.28/511,970.80 = 104,625.86/x
  3. Step 3: Cross multiply
    341,248.28x = 511,970.80 × 104,625.86
  4. Step 4: Simplify right side
    341,248.28x = 53,565,385,244.89
  5. Step 5: Solve for x
    x = 53,565,385,244.89/341,248.28
  6. Step 6: Final answer
    x = 156,968.95

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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.