Home / 305,939.12-459,026.36-148,155.44

Finding the Fourth Proportional to 305,939.12, 459,026.36 and 148,155.44

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Solution

The fourth proportional to 305,939.12, 459,026.36 and 148,155.44 is: 222,290.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,939.12 : 459,026.36 = 148,155.44 : x
  2. Step 2: Convert to fraction form
    305,939.12/459,026.36 = 148,155.44/x
  3. Step 3: Cross multiply
    305,939.12x = 459,026.36 × 148,155.44
  4. Step 4: Simplify right side
    305,939.12x = 68,007,252,337.40
  5. Step 5: Solve for x
    x = 68,007,252,337.40/305,939.12
  6. Step 6: Final answer
    x = 222,290.15

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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.