Home / 259,434.45-389,315.70-152,818.20

Finding the Fourth Proportional to 259,434.45, 389,315.70 and 152,818.20

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Solution

The fourth proportional to 259,434.45, 389,315.70 and 152,818.20 is: 229,323.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,434.45 : 389,315.70 = 152,818.20 : x
  2. Step 2: Convert to fraction form
    259,434.45/389,315.70 = 152,818.20/x
  3. Step 3: Cross multiply
    259,434.45x = 389,315.70 × 152,818.20
  4. Step 4: Simplify right side
    259,434.45x = 59,494,524,505.74
  5. Step 5: Solve for x
    x = 59,494,524,505.74/259,434.45
  6. Step 6: Final answer
    x = 229,323.92

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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.