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Finding the Fourth Proportional to 247,051.40, 370,749.90 and 158,520.20

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Solution

The fourth proportional to 247,051.40, 370,749.90 and 158,520.20 is: 237,891.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,051.40 : 370,749.90 = 158,520.20 : x
  2. Step 2: Convert to fraction form
    247,051.40/370,749.90 = 158,520.20/x
  3. Step 3: Cross multiply
    247,051.40x = 370,749.90 × 158,520.20
  4. Step 4: Simplify right side
    247,051.40x = 58,771,348,297.98
  5. Step 5: Solve for x
    x = 58,771,348,297.98/247,051.40
  6. Step 6: Final answer
    x = 237,891.18

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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.