Home / 284,619.12-392,957.64-182,688.72

Finding the Fourth Proportional to 284,619.12, 392,957.64 and 182,688.72

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Solution

The fourth proportional to 284,619.12, 392,957.64 and 182,688.72 is: 252,228.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,619.12 : 392,957.64 = 182,688.72 : x
  2. Step 2: Convert to fraction form
    284,619.12/392,957.64 = 182,688.72/x
  3. Step 3: Cross multiply
    284,619.12x = 392,957.64 × 182,688.72
  4. Step 4: Simplify right side
    284,619.12x = 71,788,928,265.82
  5. Step 5: Solve for x
    x = 71,788,928,265.82/284,619.12
  6. Step 6: Final answer
    x = 252,228.06

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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.