Home / 252,939.72-379,438.74-84,482.40

Finding the Fourth Proportional to 252,939.72, 379,438.74 and 84,482.40

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Solution

The fourth proportional to 252,939.72, 379,438.74 and 84,482.40 is: 126,733.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,939.72 : 379,438.74 = 84,482.40 : x
  2. Step 2: Convert to fraction form
    252,939.72/379,438.74 = 84,482.40/x
  3. Step 3: Cross multiply
    252,939.72x = 379,438.74 × 84,482.40
  4. Step 4: Simplify right side
    252,939.72x = 32,055,895,408.18
  5. Step 5: Solve for x
    x = 32,055,895,408.18/252,939.72
  6. Step 6: Final answer
    x = 126,733.34

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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.