Home / 409,143.16-564,577.10-227,871.96

Finding the Fourth Proportional to 409,143.16, 564,577.10 and 227,871.96

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Solution

The fourth proportional to 409,143.16, 564,577.10 and 227,871.96 is: 314,440.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,143.16 : 564,577.10 = 227,871.96 : x
  2. Step 2: Convert to fraction form
    409,143.16/564,577.10 = 227,871.96/x
  3. Step 3: Cross multiply
    409,143.16x = 564,577.10 × 227,871.96
  4. Step 4: Simplify right side
    409,143.16x = 128,651,290,348.12
  5. Step 5: Solve for x
    x = 128,651,290,348.12/409,143.16
  6. Step 6: Final answer
    x = 314,440.77

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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.