Home / 270,038.16-372,653.28-149,176.80

Finding the Fourth Proportional to 270,038.16, 372,653.28 and 149,176.80

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Solution

The fourth proportional to 270,038.16, 372,653.28 and 149,176.80 is: 205,864.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,038.16 : 372,653.28 = 149,176.80 : x
  2. Step 2: Convert to fraction form
    270,038.16/372,653.28 = 149,176.80/x
  3. Step 3: Cross multiply
    270,038.16x = 372,653.28 × 149,176.80
  4. Step 4: Simplify right side
    270,038.16x = 55,591,223,819.90
  5. Step 5: Solve for x
    x = 55,591,223,819.90/270,038.16
  6. Step 6: Final answer
    x = 205,864.33

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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.