Home / 668,079.10-1,002,021.45-194,715.10

Finding the Fourth Proportional to 668,079.10, 1,002,021.45 and 194,715.10

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Solution

The fourth proportional to 668,079.10, 1,002,021.45 and 194,715.10 is: 292,044.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,079.10 : 1,002,021.45 = 194,715.10 : x
  2. Step 2: Convert to fraction form
    668,079.10/1,002,021.45 = 194,715.10/x
  3. Step 3: Cross multiply
    668,079.10x = 1,002,021.45 × 194,715.10
  4. Step 4: Simplify right side
    668,079.10x = 195,108,706,838.90
  5. Step 5: Solve for x
    x = 195,108,706,838.90/668,079.10
  6. Step 6: Final answer
    x = 292,044.32

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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.