Home / 256,581.69-384,935.10-180,827.88

Finding the Fourth Proportional to 256,581.69, 384,935.10 and 180,827.88

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Solution

The fourth proportional to 256,581.69, 384,935.10 and 180,827.88 is: 271,285.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,581.69 : 384,935.10 = 180,827.88 : x
  2. Step 2: Convert to fraction form
    256,581.69/384,935.10 = 180,827.88/x
  3. Step 3: Cross multiply
    256,581.69x = 384,935.10 × 180,827.88
  4. Step 4: Simplify right side
    256,581.69x = 69,606,998,070.59
  5. Step 5: Solve for x
    x = 69,606,998,070.59/256,581.69
  6. Step 6: Final answer
    x = 271,285.91

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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.