Home / 406,723.64-561,312.20-225,492.42

Finding the Fourth Proportional to 406,723.64, 561,312.20 and 225,492.42

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Solution

The fourth proportional to 406,723.64, 561,312.20 and 225,492.42 is: 311,198.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,723.64 : 561,312.20 = 225,492.42 : x
  2. Step 2: Convert to fraction form
    406,723.64/561,312.20 = 225,492.42/x
  3. Step 3: Cross multiply
    406,723.64x = 561,312.20 × 225,492.42
  4. Step 4: Simplify right side
    406,723.64x = 126,571,645,226.06
  5. Step 5: Solve for x
    x = 126,571,645,226.06/406,723.64
  6. Step 6: Final answer
    x = 311,198.15

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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.