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Finding the Fourth Proportional to 668,145.04, 1,002,275.84 and 169,509.04

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Solution

The fourth proportional to 668,145.04, 1,002,275.84 and 169,509.04 is: 254,278.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,145.04 : 1,002,275.84 = 169,509.04 : x
  2. Step 2: Convert to fraction form
    668,145.04/1,002,275.84 = 169,509.04/x
  3. Step 3: Cross multiply
    668,145.04x = 1,002,275.84 × 169,509.04
  4. Step 4: Simplify right side
    668,145.04x = 169,894,815,453.59
  5. Step 5: Solve for x
    x = 169,894,815,453.59/668,145.04
  6. Step 6: Final answer
    x = 254,278.35

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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.