Home / 470,230.20-705,345.30-170,720.55

Finding the Fourth Proportional to 470,230.20, 705,345.30 and 170,720.55

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Solution

The fourth proportional to 470,230.20, 705,345.30 and 170,720.55 is: 256,080.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,230.20 : 705,345.30 = 170,720.55 : x
  2. Step 2: Convert to fraction form
    470,230.20/705,345.30 = 170,720.55/x
  3. Step 3: Cross multiply
    470,230.20x = 705,345.30 × 170,720.55
  4. Step 4: Simplify right side
    470,230.20x = 120,416,937,555.92
  5. Step 5: Solve for x
    x = 120,416,937,555.92/470,230.20
  6. Step 6: Final answer
    x = 256,080.83

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Similar ratio
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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.