Home / 379,373.50-569,093.06-98,890.75

Finding the Fourth Proportional to 379,373.50, 569,093.06 and 98,890.75

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Solution

The fourth proportional to 379,373.50, 569,093.06 and 98,890.75 is: 148,344.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,373.50 : 569,093.06 = 98,890.75 : x
  2. Step 2: Convert to fraction form
    379,373.50/569,093.06 = 98,890.75/x
  3. Step 3: Cross multiply
    379,373.50x = 569,093.06 × 98,890.75
  4. Step 4: Simplify right side
    379,373.50x = 56,278,039,523.20
  5. Step 5: Solve for x
    x = 56,278,039,523.20/379,373.50
  6. Step 6: Final answer
    x = 148,344.68

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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.