Home / 406,834.65-561,445.47-225,535.76

Finding the Fourth Proportional to 406,834.65, 561,445.47 and 225,535.76

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Solution

The fourth proportional to 406,834.65, 561,445.47 and 225,535.76 is: 311,246.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,834.65 : 561,445.47 = 225,535.76 : x
  2. Step 2: Convert to fraction form
    406,834.65/561,445.47 = 225,535.76/x
  3. Step 3: Cross multiply
    406,834.65x = 561,445.47 × 225,535.76
  4. Step 4: Simplify right side
    406,834.65x = 126,626,027,967.78
  5. Step 5: Solve for x
    x = 126,626,027,967.78/406,834.65
  6. Step 6: Final answer
    x = 311,246.91

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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.