Home / 247,519.42-340,263.63-212,937.96

Finding the Fourth Proportional to 247,519.42, 340,263.63 and 212,937.96

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Solution

The fourth proportional to 247,519.42, 340,263.63 and 212,937.96 is: 292,724.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,519.42 : 340,263.63 = 212,937.96 : x
  2. Step 2: Convert to fraction form
    247,519.42/340,263.63 = 212,937.96/x
  3. Step 3: Cross multiply
    247,519.42x = 340,263.63 × 212,937.96
  4. Step 4: Simplify right side
    247,519.42x = 72,455,042,383.74
  5. Step 5: Solve for x
    x = 72,455,042,383.74/247,519.42
  6. Step 6: Final answer
    x = 292,724.67

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.