Home / 219,200.52-302,479.30-134,305.96

Finding the Fourth Proportional to 219,200.52, 302,479.30 and 134,305.96

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Solution

The fourth proportional to 219,200.52, 302,479.30 and 134,305.96 is: 185,331.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,200.52 : 302,479.30 = 134,305.96 : x
  2. Step 2: Convert to fraction form
    219,200.52/302,479.30 = 134,305.96/x
  3. Step 3: Cross multiply
    219,200.52x = 302,479.30 × 134,305.96
  4. Step 4: Simplify right side
    219,200.52x = 40,624,772,766.63
  5. Step 5: Solve for x
    x = 40,624,772,766.63/219,200.52
  6. Step 6: Final answer
    x = 185,331.55

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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.