Home / 402,414.26-555,362.57-230,386.18

Finding the Fourth Proportional to 402,414.26, 555,362.57 and 230,386.18

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Solution

The fourth proportional to 402,414.26, 555,362.57 and 230,386.18 is: 317,950.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,414.26 : 555,362.57 = 230,386.18 : x
  2. Step 2: Convert to fraction form
    402,414.26/555,362.57 = 230,386.18/x
  3. Step 3: Cross multiply
    402,414.26x = 555,362.57 × 230,386.18
  4. Step 4: Simplify right side
    402,414.26x = 127,947,858,476.95
  5. Step 5: Solve for x
    x = 127,947,858,476.95/402,414.26
  6. Step 6: Final answer
    x = 317,950.61

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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.