Home / 272,708.04-376,336.15-151,850.78

Finding the Fourth Proportional to 272,708.04, 376,336.15 and 151,850.78

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Solution

The fourth proportional to 272,708.04, 376,336.15 and 151,850.78 is: 209,553.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,708.04 : 376,336.15 = 151,850.78 : x
  2. Step 2: Convert to fraction form
    272,708.04/376,336.15 = 151,850.78/x
  3. Step 3: Cross multiply
    272,708.04x = 376,336.15 × 151,850.78
  4. Step 4: Simplify right side
    272,708.04x = 57,146,937,919.70
  5. Step 5: Solve for x
    x = 57,146,937,919.70/272,708.04
  6. Step 6: Final answer
    x = 209,553.55

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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.