Home / 406,579.18-561,091.58-225,274.15

Finding the Fourth Proportional to 406,579.18, 561,091.58 and 225,274.15

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Solution

The fourth proportional to 406,579.18, 561,091.58 and 225,274.15 is: 310,885.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,579.18 : 561,091.58 = 225,274.15 : x
  2. Step 2: Convert to fraction form
    406,579.18/561,091.58 = 225,274.15/x
  3. Step 3: Cross multiply
    406,579.18x = 561,091.58 × 225,274.15
  4. Step 4: Simplify right side
    406,579.18x = 126,399,427,595.41
  5. Step 5: Solve for x
    x = 126,399,427,595.41/406,579.18
  6. Step 6: Final answer
    x = 310,885.14

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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.