Home / 407,832.20-611,748.30-108,312.20

Finding the Fourth Proportional to 407,832.20, 611,748.30 and 108,312.20

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Solution

The fourth proportional to 407,832.20, 611,748.30 and 108,312.20 is: 162,468.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,832.20 : 611,748.30 = 108,312.20 : x
  2. Step 2: Convert to fraction form
    407,832.20/611,748.30 = 108,312.20/x
  3. Step 3: Cross multiply
    407,832.20x = 611,748.30 × 108,312.20
  4. Step 4: Simplify right side
    407,832.20x = 66,259,804,219.26
  5. Step 5: Solve for x
    x = 66,259,804,219.26/407,832.20
  6. Step 6: Final answer
    x = 162,468.30

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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.