Home / 279,400.26-385,572.27-152,076.75

Finding the Fourth Proportional to 279,400.26, 385,572.27 and 152,076.75

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Solution

The fourth proportional to 279,400.26, 385,572.27 and 152,076.75 is: 209,865.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,400.26 : 385,572.27 = 152,076.75 : x
  2. Step 2: Convert to fraction form
    279,400.26/385,572.27 = 152,076.75/x
  3. Step 3: Cross multiply
    279,400.26x = 385,572.27 × 152,076.75
  4. Step 4: Simplify right side
    279,400.26x = 58,636,577,711.72
  5. Step 5: Solve for x
    x = 58,636,577,711.72/279,400.26
  6. Step 6: Final answer
    x = 209,865.87

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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.