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Finding the Fourth Proportional to 287,992.97, 432,182.28 and 119,513.46

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Solution

The fourth proportional to 287,992.97, 432,182.28 and 119,513.46 is: 179,350.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,992.97 : 432,182.28 = 119,513.46 : x
  2. Step 2: Convert to fraction form
    287,992.97/432,182.28 = 119,513.46/x
  3. Step 3: Cross multiply
    287,992.97x = 432,182.28 × 119,513.46
  4. Step 4: Simplify right side
    287,992.97x = 51,651,599,035.92
  5. Step 5: Solve for x
    x = 51,651,599,035.92/287,992.97
  6. Step 6: Final answer
    x = 179,350.21

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1.5x scale

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.