Home / 329,641.04-494,125.31-129,880.46

Finding the Fourth Proportional to 329,641.04, 494,125.31 and 129,880.46

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Solution

The fourth proportional to 329,641.04, 494,125.31 and 129,880.46 is: 194,688.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,641.04 : 494,125.31 = 129,880.46 : x
  2. Step 2: Convert to fraction form
    329,641.04/494,125.31 = 129,880.46/x
  3. Step 3: Cross multiply
    329,641.04x = 494,125.31 × 129,880.46
  4. Step 4: Simplify right side
    329,641.04x = 64,177,224,120.46
  5. Step 5: Solve for x
    x = 64,177,224,120.46/329,641.04
  6. Step 6: Final answer
    x = 194,688.21

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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.