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Finding the Fourth Proportional to 433,015.18, 649,356.72 and 148,652.73

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Solution

The fourth proportional to 433,015.18, 649,356.72 and 148,652.73 is: 222,922.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,015.18 : 649,356.72 = 148,652.73 : x
  2. Step 2: Convert to fraction form
    433,015.18/649,356.72 = 148,652.73/x
  3. Step 3: Cross multiply
    433,015.18x = 649,356.72 × 148,652.73
  4. Step 4: Simplify right side
    433,015.18x = 96,528,648,614.40
  5. Step 5: Solve for x
    x = 96,528,648,614.40/433,015.18
  6. Step 6: Final answer
    x = 222,922.09

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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.