Home / 409,280.29-564,823.80-227,992.16

Finding the Fourth Proportional to 409,280.29, 564,823.80 and 227,992.16

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Solution

The fourth proportional to 409,280.29, 564,823.80 and 227,992.16 is: 314,638.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,280.29 : 564,823.80 = 227,992.16 : x
  2. Step 2: Convert to fraction form
    409,280.29/564,823.80 = 227,992.16/x
  3. Step 3: Cross multiply
    409,280.29x = 564,823.80 × 227,992.16
  4. Step 4: Simplify right side
    409,280.29x = 128,775,399,593.47
  5. Step 5: Solve for x
    x = 128,775,399,593.47/409,280.29
  6. Step 6: Final answer
    x = 314,638.66

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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.