Home / 302,269.28-453,387.48-91,890.80

Finding the Fourth Proportional to 302,269.28, 453,387.48 and 91,890.80

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Solution

The fourth proportional to 302,269.28, 453,387.48 and 91,890.80 is: 137,831.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,269.28 : 453,387.48 = 91,890.80 : x
  2. Step 2: Convert to fraction form
    302,269.28/453,387.48 = 91,890.80/x
  3. Step 3: Cross multiply
    302,269.28x = 453,387.48 × 91,890.80
  4. Step 4: Simplify right side
    302,269.28x = 41,662,138,247.18
  5. Step 5: Solve for x
    x = 41,662,138,247.18/302,269.28
  6. Step 6: Final answer
    x = 137,831.20

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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.