Home / 304,330.90-456,496.35-198,577.30

Finding the Fourth Proportional to 304,330.90, 456,496.35 and 198,577.30

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Solution

The fourth proportional to 304,330.90, 456,496.35 and 198,577.30 is: 297,865.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,330.90 : 456,496.35 = 198,577.30 : x
  2. Step 2: Convert to fraction form
    304,330.90/456,496.35 = 198,577.30/x
  3. Step 3: Cross multiply
    304,330.90x = 456,496.35 × 198,577.30
  4. Step 4: Simplify right side
    304,330.90x = 90,649,812,642.86
  5. Step 5: Solve for x
    x = 90,649,812,642.86/304,330.90
  6. Step 6: Final answer
    x = 297,865.95

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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.