Home / 348,001.40-522,002.10-198,702.20

Finding the Fourth Proportional to 348,001.40, 522,002.10 and 198,702.20

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Solution

The fourth proportional to 348,001.40, 522,002.10 and 198,702.20 is: 298,053.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,001.40 : 522,002.10 = 198,702.20 : x
  2. Step 2: Convert to fraction form
    348,001.40/522,002.10 = 198,702.20/x
  3. Step 3: Cross multiply
    348,001.40x = 522,002.10 × 198,702.20
  4. Step 4: Simplify right side
    348,001.40x = 103,722,965,674.62
  5. Step 5: Solve for x
    x = 103,722,965,674.62/348,001.40
  6. Step 6: Final answer
    x = 298,053.30

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1.5x scale

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.