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Finding the Fourth Proportional to 624,565.98, 936,851.40 and 151,251.84

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Solution

The fourth proportional to 624,565.98, 936,851.40 and 151,251.84 is: 226,878.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,565.98 : 936,851.40 = 151,251.84 : x
  2. Step 2: Convert to fraction form
    624,565.98/936,851.40 = 151,251.84/x
  3. Step 3: Cross multiply
    624,565.98x = 936,851.40 × 151,251.84
  4. Step 4: Simplify right side
    624,565.98x = 141,700,498,056.58
  5. Step 5: Solve for x
    x = 141,700,498,056.58/624,565.98
  6. Step 6: Final answer
    x = 226,878.35

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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.