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Finding the Fourth Proportional to 561,810.48, 842,711.67 and 224,928.92

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Solution

The fourth proportional to 561,810.48, 842,711.67 and 224,928.92 is: 337,391.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,810.48 : 842,711.67 = 224,928.92 : x
  2. Step 2: Convert to fraction form
    561,810.48/842,711.67 = 224,928.92/x
  3. Step 3: Cross multiply
    561,810.48x = 842,711.67 × 224,928.92
  4. Step 4: Simplify right side
    561,810.48x = 189,550,221,590.94
  5. Step 5: Solve for x
    x = 189,550,221,590.94/561,810.48
  6. Step 6: Final answer
    x = 337,391.75

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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.