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Finding the Fourth Proportional to 380,370.94, 569,650.82 and 220,109.04

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Solution

The fourth proportional to 380,370.94, 569,650.82 and 220,109.04 is: 329,639.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,370.94 : 569,650.82 = 220,109.04 : x
  2. Step 2: Convert to fraction form
    380,370.94/569,650.82 = 220,109.04/x
  3. Step 3: Cross multiply
    380,370.94x = 569,650.82 × 220,109.04
  4. Step 4: Simplify right side
    380,370.94x = 125,385,295,125.41
  5. Step 5: Solve for x
    x = 125,385,295,125.41/380,370.94
  6. Step 6: Final answer
    x = 329,639.52

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1.5x scale

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.