Home / 447,011.76-616,876.98-243,062.52

Finding the Fourth Proportional to 447,011.76, 616,876.98 and 243,062.52

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Solution

The fourth proportional to 447,011.76, 616,876.98 and 243,062.52 is: 335,426.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,011.76 : 616,876.98 = 243,062.52 : x
  2. Step 2: Convert to fraction form
    447,011.76/616,876.98 = 243,062.52/x
  3. Step 3: Cross multiply
    447,011.76x = 616,876.98 × 243,062.52
  4. Step 4: Simplify right side
    447,011.76x = 149,939,673,288.79
  5. Step 5: Solve for x
    x = 149,939,673,288.79/447,011.76
  6. Step 6: Final answer
    x = 335,426.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.