Home / 406,925.70-561,585.60-225,654.36

Finding the Fourth Proportional to 406,925.70, 561,585.60 and 225,654.36

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Solution

The fourth proportional to 406,925.70, 561,585.60 and 225,654.36 is: 311,418.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,925.70 : 561,585.60 = 225,654.36 : x
  2. Step 2: Convert to fraction form
    406,925.70/561,585.60 = 225,654.36/x
  3. Step 3: Cross multiply
    406,925.70x = 561,585.60 × 225,654.36
  4. Step 4: Simplify right side
    406,925.70x = 126,724,239,153.22
  5. Step 5: Solve for x
    x = 126,724,239,153.22/406,925.70
  6. Step 6: Final answer
    x = 311,418.62

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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.