Home / 272,236.40-375,692.74-151,382.78

Finding the Fourth Proportional to 272,236.40, 375,692.74 and 151,382.78

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Solution

The fourth proportional to 272,236.40, 375,692.74 and 151,382.78 is: 208,911.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,236.40 : 375,692.74 = 151,382.78 : x
  2. Step 2: Convert to fraction form
    272,236.40/375,692.74 = 151,382.78/x
  3. Step 3: Cross multiply
    272,236.40x = 375,692.74 × 151,382.78
  4. Step 4: Simplify right side
    272,236.40x = 56,873,409,150.10
  5. Step 5: Solve for x
    x = 56,873,409,150.10/272,236.40
  6. Step 6: Final answer
    x = 208,911.85

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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.