Home / 406,875.79-561,466.10-225,577.13

Finding the Fourth Proportional to 406,875.79, 561,466.10 and 225,577.13

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Solution

The fourth proportional to 406,875.79, 561,466.10 and 225,577.13 is: 311,283.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,875.79 : 561,466.10 = 225,577.13 : x
  2. Step 2: Convert to fraction form
    406,875.79/561,466.10 = 225,577.13/x
  3. Step 3: Cross multiply
    406,875.79x = 561,466.10 × 225,577.13
  4. Step 4: Simplify right side
    406,875.79x = 126,653,910,302.41
  5. Step 5: Solve for x
    x = 126,653,910,302.41/406,875.79
  6. Step 6: Final answer
    x = 311,283.97

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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.