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Finding the Fourth Proportional to 302,804.76, 417,422.25 and 193,897.02

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Solution

The fourth proportional to 302,804.76, 417,422.25 and 193,897.02 is: 267,290.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,804.76 : 417,422.25 = 193,897.02 : x
  2. Step 2: Convert to fraction form
    302,804.76/417,422.25 = 193,897.02/x
  3. Step 3: Cross multiply
    302,804.76x = 417,422.25 × 193,897.02
  4. Step 4: Simplify right side
    302,804.76x = 80,936,930,356.70
  5. Step 5: Solve for x
    x = 80,936,930,356.70/302,804.76
  6. Step 6: Final answer
    x = 267,290.81

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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.