Home / 351,397.20-484,890.91-198,426.10

Finding the Fourth Proportional to 351,397.20, 484,890.91 and 198,426.10

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Solution

The fourth proportional to 351,397.20, 484,890.91 and 198,426.10 is: 273,807.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,397.20 : 484,890.91 = 198,426.10 : x
  2. Step 2: Convert to fraction form
    351,397.20/484,890.91 = 198,426.10/x
  3. Step 3: Cross multiply
    351,397.20x = 484,890.91 × 198,426.10
  4. Step 4: Simplify right side
    351,397.20x = 96,215,012,196.75
  5. Step 5: Solve for x
    x = 96,215,012,196.75/351,397.20
  6. Step 6: Final answer
    x = 273,807.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.