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Finding the Fourth Proportional to 286,864.52, 395,883.96 and 159,549.32

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Solution

The fourth proportional to 286,864.52, 395,883.96 and 159,549.32 is: 220,184.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,864.52 : 395,883.96 = 159,549.32 : x
  2. Step 2: Convert to fraction form
    286,864.52/395,883.96 = 159,549.32/x
  3. Step 3: Cross multiply
    286,864.52x = 395,883.96 × 159,549.32
  4. Step 4: Simplify right side
    286,864.52x = 63,163,016,616.91
  5. Step 5: Solve for x
    x = 63,163,016,616.91/286,864.52
  6. Step 6: Final answer
    x = 220,184.14

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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.