Home / 247,385.50-341,388.75-134,212.30

Finding the Fourth Proportional to 247,385.50, 341,388.75 and 134,212.30

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Solution

The fourth proportional to 247,385.50, 341,388.75 and 134,212.30 is: 185,211.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,385.50 : 341,388.75 = 134,212.30 : x
  2. Step 2: Convert to fraction form
    247,385.50/341,388.75 = 134,212.30/x
  3. Step 3: Cross multiply
    247,385.50x = 341,388.75 × 134,212.30
  4. Step 4: Simplify right side
    247,385.50x = 45,818,569,331.63
  5. Step 5: Solve for x
    x = 45,818,569,331.63/247,385.50
  6. Step 6: Final answer
    x = 185,211.22

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1.5x scale

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.