Home / 313,312.20-469,968.30-144,832.20

Finding the Fourth Proportional to 313,312.20, 469,968.30 and 144,832.20

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Solution

The fourth proportional to 313,312.20, 469,968.30 and 144,832.20 is: 217,248.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,312.20 : 469,968.30 = 144,832.20 : x
  2. Step 2: Convert to fraction form
    313,312.20/469,968.30 = 144,832.20/x
  3. Step 3: Cross multiply
    313,312.20x = 469,968.30 × 144,832.20
  4. Step 4: Simplify right side
    313,312.20x = 68,066,542,819.26
  5. Step 5: Solve for x
    x = 68,066,542,819.26/313,312.20
  6. Step 6: Final answer
    x = 217,248.30

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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.