Home / 282,519.45-389,900.97-160,033.68

Finding the Fourth Proportional to 282,519.45, 389,900.97 and 160,033.68

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Solution

The fourth proportional to 282,519.45, 389,900.97 and 160,033.68 is: 220,860.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,519.45 : 389,900.97 = 160,033.68 : x
  2. Step 2: Convert to fraction form
    282,519.45/389,900.97 = 160,033.68/x
  3. Step 3: Cross multiply
    282,519.45x = 389,900.97 × 160,033.68
  4. Step 4: Simplify right side
    282,519.45x = 62,397,287,064.67
  5. Step 5: Solve for x
    x = 62,397,287,064.67/282,519.45
  6. Step 6: Final answer
    x = 220,860.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.