Home / 406,938.04-561,581.22-225,657.64

Finding the Fourth Proportional to 406,938.04, 561,581.22 and 225,657.64

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Solution

The fourth proportional to 406,938.04, 561,581.22 and 225,657.64 is: 311,411.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,938.04 : 561,581.22 = 225,657.64 : x
  2. Step 2: Convert to fraction form
    406,938.04/561,581.22 = 225,657.64/x
  3. Step 3: Cross multiply
    406,938.04x = 561,581.22 × 225,657.64
  4. Step 4: Simplify right side
    406,938.04x = 126,725,092,773.52
  5. Step 5: Solve for x
    x = 126,725,092,773.52/406,938.04
  6. Step 6: Final answer
    x = 311,411.27

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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.