Home / 302,511.20-453,661.02-89,222.54

Finding the Fourth Proportional to 302,511.20, 453,661.02 and 89,222.54

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Solution

The fourth proportional to 302,511.20, 453,661.02 and 89,222.54 is: 133,802.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,511.20 : 453,661.02 = 89,222.54 : x
  2. Step 2: Convert to fraction form
    302,511.20/453,661.02 = 89,222.54/x
  3. Step 3: Cross multiply
    302,511.20x = 453,661.02 × 89,222.54
  4. Step 4: Simplify right side
    302,511.20x = 40,476,786,235.09
  5. Step 5: Solve for x
    x = 40,476,786,235.09/302,511.20
  6. Step 6: Final answer
    x = 133,802.61

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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.