Home / 282,042.12-389,276.82-259,345.20

Finding the Fourth Proportional to 282,042.12, 389,276.82 and 259,345.20

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Solution

The fourth proportional to 282,042.12, 389,276.82 and 259,345.20 is: 357,950.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,042.12 : 389,276.82 = 259,345.20 : x
  2. Step 2: Convert to fraction form
    282,042.12/389,276.82 = 259,345.20/x
  3. Step 3: Cross multiply
    282,042.12x = 389,276.82 × 259,345.20
  4. Step 4: Simplify right side
    282,042.12x = 100,957,074,738.26
  5. Step 5: Solve for x
    x = 100,957,074,738.26/282,042.12
  6. Step 6: Final answer
    x = 357,950.35

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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.