Home / 409,084.47-564,537.20-227,831.31

Finding the Fourth Proportional to 409,084.47, 564,537.20 and 227,831.31

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Solution

The fourth proportional to 409,084.47, 564,537.20 and 227,831.31 is: 314,407.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,084.47 : 564,537.20 = 227,831.31 : x
  2. Step 2: Convert to fraction form
    409,084.47/564,537.20 = 227,831.31/x
  3. Step 3: Cross multiply
    409,084.47x = 564,537.20 × 227,831.31
  4. Step 4: Simplify right side
    409,084.47x = 128,619,248,680.58
  5. Step 5: Solve for x
    x = 128,619,248,680.58/409,084.47
  6. Step 6: Final answer
    x = 314,407.56

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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.