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Finding the Fourth Proportional to 562,061.10, 843,135.66 and 162,707.88

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Solution

The fourth proportional to 562,061.10, 843,135.66 and 162,707.88 is: 244,074.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,061.10 : 843,135.66 = 162,707.88 : x
  2. Step 2: Convert to fraction form
    562,061.10/843,135.66 = 162,707.88/x
  3. Step 3: Cross multiply
    562,061.10x = 843,135.66 × 162,707.88
  4. Step 4: Simplify right side
    562,061.10x = 137,184,815,791.00
  5. Step 5: Solve for x
    x = 137,184,815,791.00/562,061.10
  6. Step 6: Final answer
    x = 244,074.56

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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.