Home / 330,929.82-495,390.98-299,353.18

Finding the Fourth Proportional to 330,929.82, 495,390.98 and 299,353.18

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Solution

The fourth proportional to 330,929.82, 495,390.98 and 299,353.18 is: 448,121.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,929.82 : 495,390.98 = 299,353.18 : x
  2. Step 2: Convert to fraction form
    330,929.82/495,390.98 = 299,353.18/x
  3. Step 3: Cross multiply
    330,929.82x = 495,390.98 × 299,353.18
  4. Step 4: Simplify right side
    330,929.82x = 148,296,865,206.32
  5. Step 5: Solve for x
    x = 148,296,865,206.32/330,929.82
  6. Step 6: Final answer
    x = 448,121.80

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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.