Home / 329,433.60-454,620-178,530.24

Finding the Fourth Proportional to 329,433.60, 454,620 and 178,530.24

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Solution

The fourth proportional to 329,433.60, 454,620 and 178,530.24 is: 246,372.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,433.60 : 454,620 = 178,530.24 : x
  2. Step 2: Convert to fraction form
    329,433.60/454,620 = 178,530.24/x
  3. Step 3: Cross multiply
    329,433.60x = 454,620 × 178,530.24
  4. Step 4: Simplify right side
    329,433.60x = 81,163,417,708.80
  5. Step 5: Solve for x
    x = 81,163,417,708.80/329,433.60
  6. Step 6: Final answer
    x = 246,372.62

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1.5x scale

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.