Home / 330,929.32-495,390.23-299,352.68

Finding the Fourth Proportional to 330,929.32, 495,390.23 and 299,352.68

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Solution

The fourth proportional to 330,929.32, 495,390.23 and 299,352.68 is: 448,121.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,929.32 : 495,390.23 = 299,352.68 : x
  2. Step 2: Convert to fraction form
    330,929.32/495,390.23 = 299,352.68/x
  3. Step 3: Cross multiply
    330,929.32x = 495,390.23 × 299,352.68
  4. Step 4: Simplify right side
    330,929.32x = 148,296,392,996.32
  5. Step 5: Solve for x
    x = 148,296,392,996.32/330,929.32
  6. Step 6: Final answer
    x = 448,121.05

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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.