Home / 433,289.68-649,657.54-208,202.20

Finding the Fourth Proportional to 433,289.68, 649,657.54 and 208,202.20

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Solution

The fourth proportional to 433,289.68, 649,657.54 and 208,202.20 is: 312,170.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,289.68 : 649,657.54 = 208,202.20 : x
  2. Step 2: Convert to fraction form
    433,289.68/649,657.54 = 208,202.20/x
  3. Step 3: Cross multiply
    433,289.68x = 649,657.54 × 208,202.20
  4. Step 4: Simplify right side
    433,289.68x = 135,260,129,074.59
  5. Step 5: Solve for x
    x = 135,260,129,074.59/433,289.68
  6. Step 6: Final answer
    x = 312,170.21

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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.