Home / 447,004.91-670,507.38-131,461.83

Finding the Fourth Proportional to 447,004.91, 670,507.38 and 131,461.83

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Solution

The fourth proportional to 447,004.91, 670,507.38 and 131,461.83 is: 197,192.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,004.91 : 670,507.38 = 131,461.83 : x
  2. Step 2: Convert to fraction form
    447,004.91/670,507.38 = 131,461.83/x
  3. Step 3: Cross multiply
    447,004.91x = 670,507.38 × 131,461.83
  4. Step 4: Simplify right side
    447,004.91x = 88,146,127,203.31
  5. Step 5: Solve for x
    x = 88,146,127,203.31/447,004.91
  6. Step 6: Final answer
    x = 197,192.75

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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.