Home / 407,181.02-561,910.50-225,892.98

Finding the Fourth Proportional to 407,181.02, 561,910.50 and 225,892.98

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Solution

The fourth proportional to 407,181.02, 561,910.50 and 225,892.98 is: 311,732.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,181.02 : 561,910.50 = 225,892.98 : x
  2. Step 2: Convert to fraction form
    407,181.02/561,910.50 = 225,892.98/x
  3. Step 3: Cross multiply
    407,181.02x = 561,910.50 × 225,892.98
  4. Step 4: Simplify right side
    407,181.02x = 126,931,637,338.29
  5. Step 5: Solve for x
    x = 126,931,637,338.29/407,181.02
  6. Step 6: Final answer
    x = 311,732.70

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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.