Home / 284,787.44-392,976.60-157,442.48

Finding the Fourth Proportional to 284,787.44, 392,976.60 and 157,442.48

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Solution

The fourth proportional to 284,787.44, 392,976.60 and 157,442.48 is: 217,254.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,787.44 : 392,976.60 = 157,442.48 : x
  2. Step 2: Convert to fraction form
    284,787.44/392,976.60 = 157,442.48/x
  3. Step 3: Cross multiply
    284,787.44x = 392,976.60 × 157,442.48
  4. Step 4: Simplify right side
    284,787.44x = 61,871,210,485.97
  5. Step 5: Solve for x
    x = 61,871,210,485.97/284,787.44
  6. Step 6: Final answer
    x = 217,254.00

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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.