Home / 302,704.20-453,949.95-89,415.20

Finding the Fourth Proportional to 302,704.20, 453,949.95 and 89,415.20

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Solution

The fourth proportional to 302,704.20, 453,949.95 and 89,415.20 is: 134,091.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,704.20 : 453,949.95 = 89,415.20 : x
  2. Step 2: Convert to fraction form
    302,704.20/453,949.95 = 89,415.20/x
  3. Step 3: Cross multiply
    302,704.20x = 453,949.95 × 89,415.20
  4. Step 4: Simplify right side
    302,704.20x = 40,590,025,569.24
  5. Step 5: Solve for x
    x = 40,590,025,569.24/302,704.20
  6. Step 6: Final answer
    x = 134,091.39

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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.