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Finding the Fourth Proportional to 510,958.08, 766,442.88 and 195,431.04

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Solution

The fourth proportional to 510,958.08, 766,442.88 and 195,431.04 is: 293,148.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,958.08 : 766,442.88 = 195,431.04 : x
  2. Step 2: Convert to fraction form
    510,958.08/766,442.88 = 195,431.04/x
  3. Step 3: Cross multiply
    510,958.08x = 766,442.88 × 195,431.04
  4. Step 4: Simplify right side
    510,958.08x = 149,786,729,139.00
  5. Step 5: Solve for x
    x = 149,786,729,139.00/510,958.08
  6. Step 6: Final answer
    x = 293,148.76

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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.