Home / 453,115.86-679,629.84-137,575.50

Finding the Fourth Proportional to 453,115.86, 679,629.84 and 137,575.50

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Solution

The fourth proportional to 453,115.86, 679,629.84 and 137,575.50 is: 206,349.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,115.86 : 679,629.84 = 137,575.50 : x
  2. Step 2: Convert to fraction form
    453,115.86/679,629.84 = 137,575.50/x
  3. Step 3: Cross multiply
    453,115.86x = 679,629.84 × 137,575.50
  4. Step 4: Simplify right side
    453,115.86x = 93,500,415,052.92
  5. Step 5: Solve for x
    x = 93,500,415,052.92/453,115.86
  6. Step 6: Final answer
    x = 206,349.91

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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.