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Finding the Fourth Proportional to 220,364.71, 330,549.23 and 87,277.39

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Solution

The fourth proportional to 220,364.71, 330,549.23 and 87,277.39 is: 130,916.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,364.71 : 330,549.23 = 87,277.39 : x
  2. Step 2: Convert to fraction form
    220,364.71/330,549.23 = 87,277.39/x
  3. Step 3: Cross multiply
    220,364.71x = 330,549.23 × 87,277.39
  4. Step 4: Simplify right side
    220,364.71x = 28,849,473,624.52
  5. Step 5: Solve for x
    x = 28,849,473,624.52/220,364.71
  6. Step 6: Final answer
    x = 130,916.94

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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.