Home / 270,231.32-372,895.98-155,470.52

Finding the Fourth Proportional to 270,231.32, 372,895.98 and 155,470.52

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Solution

The fourth proportional to 270,231.32, 372,895.98 and 155,470.52 is: 214,535.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,231.32 : 372,895.98 = 155,470.52 : x
  2. Step 2: Convert to fraction form
    270,231.32/372,895.98 = 155,470.52/x
  3. Step 3: Cross multiply
    270,231.32x = 372,895.98 × 155,470.52
  4. Step 4: Simplify right side
    270,231.32x = 57,974,331,916.51
  5. Step 5: Solve for x
    x = 57,974,331,916.51/270,231.32
  6. Step 6: Final answer
    x = 214,535.95

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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.