Home / 406,926.34-561,565.10-225,645.91

Finding the Fourth Proportional to 406,926.34, 561,565.10 and 225,645.91

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Solution

The fourth proportional to 406,926.34, 561,565.10 and 225,645.91 is: 311,395.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,926.34 : 561,565.10 = 225,645.91 : x
  2. Step 2: Convert to fraction form
    406,926.34/561,565.10 = 225,645.91/x
  3. Step 3: Cross multiply
    406,926.34x = 561,565.10 × 225,645.91
  4. Step 4: Simplify right side
    406,926.34x = 126,714,868,013.74
  5. Step 5: Solve for x
    x = 126,714,868,013.74/406,926.34
  6. Step 6: Final answer
    x = 311,395.10

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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.