Home / 415,845.77-623,845.52-131,607.95

Finding the Fourth Proportional to 415,845.77, 623,845.52 and 131,607.95

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Solution

The fourth proportional to 415,845.77, 623,845.52 and 131,607.95 is: 197,436.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,845.77 : 623,845.52 = 131,607.95 : x
  2. Step 2: Convert to fraction form
    415,845.77/623,845.52 = 131,607.95/x
  3. Step 3: Cross multiply
    415,845.77x = 623,845.52 × 131,607.95
  4. Step 4: Simplify right side
    415,845.77x = 82,103,029,345.84
  5. Step 5: Solve for x
    x = 82,103,029,345.84/415,845.77
  6. Step 6: Final answer
    x = 197,436.25

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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.