Home / 259,026.26-386,639.66-240,030.21

Finding the Fourth Proportional to 259,026.26, 386,639.66 and 240,030.21

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Solution

The fourth proportional to 259,026.26, 386,639.66 and 240,030.21 is: 358,284.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,026.26 : 386,639.66 = 240,030.21 : x
  2. Step 2: Convert to fraction form
    259,026.26/386,639.66 = 240,030.21/x
  3. Step 3: Cross multiply
    259,026.26x = 386,639.66 × 240,030.21
  4. Step 4: Simplify right side
    259,026.26x = 92,805,197,583.98
  5. Step 5: Solve for x
    x = 92,805,197,583.98/259,026.26
  6. Step 6: Final answer
    x = 358,284.90

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.