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Finding the Fourth Proportional to 259,500.67, 389,206.13 and 117,312.88

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Solution

The fourth proportional to 259,500.67, 389,206.13 and 117,312.88 is: 175,949.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,500.67 : 389,206.13 = 117,312.88 : x
  2. Step 2: Convert to fraction form
    259,500.67/389,206.13 = 117,312.88/x
  3. Step 3: Cross multiply
    259,500.67x = 389,206.13 × 117,312.88
  4. Step 4: Simplify right side
    259,500.67x = 45,658,891,222.28
  5. Step 5: Solve for x
    x = 45,658,891,222.28/259,500.67
  6. Step 6: Final answer
    x = 175,949.03

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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.