Home / 634,158.40-951,380.16-213,422.08

Finding the Fourth Proportional to 634,158.40, 951,380.16 and 213,422.08

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Solution

The fourth proportional to 634,158.40, 951,380.16 and 213,422.08 is: 320,181.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,158.40 : 951,380.16 = 213,422.08 : x
  2. Step 2: Convert to fraction form
    634,158.40/951,380.16 = 213,422.08/x
  3. Step 3: Cross multiply
    634,158.40x = 951,380.16 × 213,422.08
  4. Step 4: Simplify right side
    634,158.40x = 203,045,532,617.93
  5. Step 5: Solve for x
    x = 203,045,532,617.93/634,158.40
  6. Step 6: Final answer
    x = 320,181.10

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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.