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Finding the Fourth Proportional to 268,200.88, 401,907.65 and 134,897.76

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Solution

The fourth proportional to 268,200.88, 401,907.65 and 134,897.76 is: 202,148.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,200.88 : 401,907.65 = 134,897.76 : x
  2. Step 2: Convert to fraction form
    268,200.88/401,907.65 = 134,897.76/x
  3. Step 3: Cross multiply
    268,200.88x = 401,907.65 × 134,897.76
  4. Step 4: Simplify right side
    268,200.88x = 54,216,441,037.38
  5. Step 5: Solve for x
    x = 54,216,441,037.38/268,200.88
  6. Step 6: Final answer
    x = 202,148.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.