Home / 406,927.08-561,560.58-225,651.78

Finding the Fourth Proportional to 406,927.08, 561,560.58 and 225,651.78

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Solution

The fourth proportional to 406,927.08, 561,560.58 and 225,651.78 is: 311,400.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,927.08 : 561,560.58 = 225,651.78 : x
  2. Step 2: Convert to fraction form
    406,927.08/561,560.58 = 225,651.78/x
  3. Step 3: Cross multiply
    406,927.08x = 561,560.58 × 225,651.78
  4. Step 4: Simplify right side
    406,927.08x = 126,717,144,454.83
  5. Step 5: Solve for x
    x = 126,717,144,454.83/406,927.08
  6. Step 6: Final answer
    x = 311,400.13

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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.