Home / 439,443.29-658,946.90-139,884.93

Finding the Fourth Proportional to 439,443.29, 658,946.90 and 139,884.93

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Solution

The fourth proportional to 439,443.29, 658,946.90 and 139,884.93 is: 209,757.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,443.29 : 658,946.90 = 139,884.93 : x
  2. Step 2: Convert to fraction form
    439,443.29/658,946.90 = 139,884.93/x
  3. Step 3: Cross multiply
    439,443.29x = 658,946.90 × 139,884.93
  4. Step 4: Simplify right side
    439,443.29x = 92,176,741,329.93
  5. Step 5: Solve for x
    x = 92,176,741,329.93/439,443.29
  6. Step 6: Final answer
    x = 209,757.99

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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.