Home / 313,252.20-469,878.30-144,772.20

Finding the Fourth Proportional to 313,252.20, 469,878.30 and 144,772.20

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Solution

The fourth proportional to 313,252.20, 469,878.30 and 144,772.20 is: 217,158.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,252.20 : 469,878.30 = 144,772.20 : x
  2. Step 2: Convert to fraction form
    313,252.20/469,878.30 = 144,772.20/x
  3. Step 3: Cross multiply
    313,252.20x = 469,878.30 × 144,772.20
  4. Step 4: Simplify right side
    313,252.20x = 68,025,315,223.26
  5. Step 5: Solve for x
    x = 68,025,315,223.26/313,252.20
  6. Step 6: Final answer
    x = 217,158.30

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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.