Home / 277,515.20-382,972.15-150,190.80

Finding the Fourth Proportional to 277,515.20, 382,972.15 and 150,190.80

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Solution

The fourth proportional to 277,515.20, 382,972.15 and 150,190.80 is: 207,263.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,515.20 : 382,972.15 = 150,190.80 : x
  2. Step 2: Convert to fraction form
    277,515.20/382,972.15 = 150,190.80/x
  3. Step 3: Cross multiply
    277,515.20x = 382,972.15 × 150,190.80
  4. Step 4: Simplify right side
    277,515.20x = 57,518,893,586.22
  5. Step 5: Solve for x
    x = 57,518,893,586.22/277,515.20
  6. Step 6: Final answer
    x = 207,263.94

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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.