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Finding the Fourth Proportional to 347,257.90, 520,348.02 and 240,849.34

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Solution

The fourth proportional to 347,257.90, 520,348.02 and 240,849.34 is: 360,900.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,257.90 : 520,348.02 = 240,849.34 : x
  2. Step 2: Convert to fraction form
    347,257.90/520,348.02 = 240,849.34/x
  3. Step 3: Cross multiply
    347,257.90x = 520,348.02 × 240,849.34
  4. Step 4: Simplify right side
    347,257.90x = 125,325,477,187.31
  5. Step 5: Solve for x
    x = 125,325,477,187.31/347,257.90
  6. Step 6: Final answer
    x = 360,900.29

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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.