Home / 215,415.74-297,080.19-134,850.60

Finding the Fourth Proportional to 215,415.74, 297,080.19 and 134,850.60

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Solution

The fourth proportional to 215,415.74, 297,080.19 and 134,850.60 is: 185,972.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,415.74 : 297,080.19 = 134,850.60 : x
  2. Step 2: Convert to fraction form
    215,415.74/297,080.19 = 134,850.60/x
  3. Step 3: Cross multiply
    215,415.74x = 297,080.19 × 134,850.60
  4. Step 4: Simplify right side
    215,415.74x = 40,061,441,869.61
  5. Step 5: Solve for x
    x = 40,061,441,869.61/215,415.74
  6. Step 6: Final answer
    x = 185,972.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.