Home / 304,290.30-456,435.45-198,002.10

Finding the Fourth Proportional to 304,290.30, 456,435.45 and 198,002.10

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Solution

The fourth proportional to 304,290.30, 456,435.45 and 198,002.10 is: 297,003.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,290.30 : 456,435.45 = 198,002.10 : x
  2. Step 2: Convert to fraction form
    304,290.30/456,435.45 = 198,002.10/x
  3. Step 3: Cross multiply
    304,290.30x = 456,435.45 × 198,002.10
  4. Step 4: Simplify right side
    304,290.30x = 90,375,177,614.45
  5. Step 5: Solve for x
    x = 90,375,177,614.45/304,290.30
  6. Step 6: Final answer
    x = 297,003.15

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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.