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Finding the Fourth Proportional to 562,305.80, 843,458.70 and 188,328.80

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Solution

The fourth proportional to 562,305.80, 843,458.70 and 188,328.80 is: 282,493.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,305.80 : 843,458.70 = 188,328.80 : x
  2. Step 2: Convert to fraction form
    562,305.80/843,458.70 = 188,328.80/x
  3. Step 3: Cross multiply
    562,305.80x = 843,458.70 × 188,328.80
  4. Step 4: Simplify right side
    562,305.80x = 158,847,564,820.56
  5. Step 5: Solve for x
    x = 158,847,564,820.56/562,305.80
  6. Step 6: Final answer
    x = 282,493.20

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Similar ratio
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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.