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Finding the Fourth Proportional to 369,046.32, 553,734.36 and 179,402.64

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Solution

The fourth proportional to 369,046.32, 553,734.36 and 179,402.64 is: 269,184.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,046.32 : 553,734.36 = 179,402.64 : x
  2. Step 2: Convert to fraction form
    369,046.32/553,734.36 = 179,402.64/x
  3. Step 3: Cross multiply
    369,046.32x = 553,734.36 × 179,402.64
  4. Step 4: Simplify right side
    369,046.32x = 99,341,406,042.71
  5. Step 5: Solve for x
    x = 99,341,406,042.71/369,046.32
  6. Step 6: Final answer
    x = 269,184.11

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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.