Home / 302,418.58-453,560.20-89,140.98

Finding the Fourth Proportional to 302,418.58, 453,560.20 and 89,140.98

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Solution

The fourth proportional to 302,418.58, 453,560.20 and 89,140.98 is: 133,691.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,418.58 : 453,560.20 = 89,140.98 : x
  2. Step 2: Convert to fraction form
    302,418.58/453,560.20 = 89,140.98/x
  3. Step 3: Cross multiply
    302,418.58x = 453,560.20 × 89,140.98
  4. Step 4: Simplify right side
    302,418.58x = 40,430,800,717.00
  5. Step 5: Solve for x
    x = 40,430,800,717.00/302,418.58
  6. Step 6: Final answer
    x = 133,691.52

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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.