Home / 219,029.40-328,673.70-159,715.80

Finding the Fourth Proportional to 219,029.40, 328,673.70 and 159,715.80

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Solution

The fourth proportional to 219,029.40, 328,673.70 and 159,715.80 is: 239,668.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,029.40 : 328,673.70 = 159,715.80 : x
  2. Step 2: Convert to fraction form
    219,029.40/328,673.70 = 159,715.80/x
  3. Step 3: Cross multiply
    219,029.40x = 328,673.70 × 159,715.80
  4. Step 4: Simplify right side
    219,029.40x = 52,494,382,934.46
  5. Step 5: Solve for x
    x = 52,494,382,934.46/219,029.40
  6. Step 6: Final answer
    x = 239,668.20

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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.