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Finding the Fourth Proportional to 302,433.68, 453,678.78 and 89,201.80

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Solution

The fourth proportional to 302,433.68, 453,678.78 and 89,201.80 is: 133,811.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,433.68 : 453,678.78 = 89,201.80 : x
  2. Step 2: Convert to fraction form
    302,433.68/453,678.78 = 89,201.80/x
  3. Step 3: Cross multiply
    302,433.68x = 453,678.78 × 89,201.80
  4. Step 4: Simplify right side
    302,433.68x = 40,468,963,797.80
  5. Step 5: Solve for x
    x = 40,468,963,797.80/302,433.68
  6. Step 6: Final answer
    x = 133,811.04

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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.