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Finding the Fourth Proportional to 347,562.08, 521,014.41 and 262,040.26

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Solution

The fourth proportional to 347,562.08, 521,014.41 and 262,040.26 is: 392,812.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,562.08 : 521,014.41 = 262,040.26 : x
  2. Step 2: Convert to fraction form
    347,562.08/521,014.41 = 262,040.26/x
  3. Step 3: Cross multiply
    347,562.08x = 521,014.41 × 262,040.26
  4. Step 4: Simplify right side
    347,562.08x = 136,526,750,157.61
  5. Step 5: Solve for x
    x = 136,526,750,157.61/347,562.08
  6. Step 6: Final answer
    x = 392,812.56

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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.