Home / 429,772.32-644,938.22-163,535.04

Finding the Fourth Proportional to 429,772.32, 644,938.22 and 163,535.04

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Solution

The fourth proportional to 429,772.32, 644,938.22 and 163,535.04 is: 245,409.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,772.32 : 644,938.22 = 163,535.04 : x
  2. Step 2: Convert to fraction form
    429,772.32/644,938.22 = 163,535.04/x
  3. Step 3: Cross multiply
    429,772.32x = 644,938.22 × 163,535.04
  4. Step 4: Simplify right side
    429,772.32x = 105,469,996,787.55
  5. Step 5: Solve for x
    x = 105,469,996,787.55/429,772.32
  6. Step 6: Final answer
    x = 245,409.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.