Home / 668,095.40-1,002,264.60-218,691.20

Finding the Fourth Proportional to 668,095.40, 1,002,264.60 and 218,691.20

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Solution

The fourth proportional to 668,095.40, 1,002,264.60 and 218,691.20 is: 328,076.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,095.40 : 1,002,264.60 = 218,691.20 : x
  2. Step 2: Convert to fraction form
    668,095.40/1,002,264.60 = 218,691.20/x
  3. Step 3: Cross multiply
    668,095.40x = 1,002,264.60 × 218,691.20
  4. Step 4: Simplify right side
    668,095.40x = 219,186,448,091.52
  5. Step 5: Solve for x
    x = 219,186,448,091.52/668,095.40
  6. Step 6: Final answer
    x = 328,076.57

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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.