Home / 406,748.08-561,318.00-223,003.92

Finding the Fourth Proportional to 406,748.08, 561,318.00 and 223,003.92

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Solution

The fourth proportional to 406,748.08, 561,318.00 and 223,003.92 is: 307,748.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,748.08 : 561,318.00 = 223,003.92 : x
  2. Step 2: Convert to fraction form
    406,748.08/561,318.00 = 223,003.92/x
  3. Step 3: Cross multiply
    406,748.08x = 561,318.00 × 223,003.92
  4. Step 4: Simplify right side
    406,748.08x = 125,176,113,732.22
  5. Step 5: Solve for x
    x = 125,176,113,732.22/406,748.08
  6. Step 6: Final answer
    x = 307,748.50

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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.