Home / 302,133.95-453,201.04-77,494.39

Finding the Fourth Proportional to 302,133.95, 453,201.04 and 77,494.39

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Solution

The fourth proportional to 302,133.95, 453,201.04 and 77,494.39 is: 116,241.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,133.95 : 453,201.04 = 77,494.39 : x
  2. Step 2: Convert to fraction form
    302,133.95/453,201.04 = 77,494.39/x
  3. Step 3: Cross multiply
    302,133.95x = 453,201.04 × 77,494.39
  4. Step 4: Simplify right side
    302,133.95x = 35,120,538,142.17
  5. Step 5: Solve for x
    x = 35,120,538,142.17/302,133.95
  6. Step 6: Final answer
    x = 116,241.61

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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.