Home / 329,515.04-454,730.32-178,612

Finding the Fourth Proportional to 329,515.04, 454,730.32 and 178,612

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Solution

The fourth proportional to 329,515.04, 454,730.32 and 178,612 is: 246,484.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,515.04 : 454,730.32 = 178,612 : x
  2. Step 2: Convert to fraction form
    329,515.04/454,730.32 = 178,612/x
  3. Step 3: Cross multiply
    329,515.04x = 454,730.32 × 178,612
  4. Step 4: Simplify right side
    329,515.04x = 81,220,291,915.84
  5. Step 5: Solve for x
    x = 81,220,291,915.84/329,515.04
  6. Step 6: Final answer
    x = 246,484.32

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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.