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Finding the Fourth Proportional to 404,949.52, 607,045.65 and 180,187.88

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Solution

The fourth proportional to 404,949.52, 607,045.65 and 180,187.88 is: 270,113.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,949.52 : 607,045.65 = 180,187.88 : x
  2. Step 2: Convert to fraction form
    404,949.52/607,045.65 = 180,187.88/x
  3. Step 3: Cross multiply
    404,949.52x = 607,045.65 × 180,187.88
  4. Step 4: Simplify right side
    404,949.52x = 109,382,270,704.81
  5. Step 5: Solve for x
    x = 109,382,270,704.81/404,949.52
  6. Step 6: Final answer
    x = 270,113.35

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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.