Home / 545,327.20-818,002.14-145,967.50

Finding the Fourth Proportional to 545,327.20, 818,002.14 and 145,967.50

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Solution

The fourth proportional to 545,327.20, 818,002.14 and 145,967.50 is: 218,954.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,327.20 : 818,002.14 = 145,967.50 : x
  2. Step 2: Convert to fraction form
    545,327.20/818,002.14 = 145,967.50/x
  3. Step 3: Cross multiply
    545,327.20x = 818,002.14 × 145,967.50
  4. Step 4: Simplify right side
    545,327.20x = 119,401,727,370.45
  5. Step 5: Solve for x
    x = 119,401,727,370.45/545,327.20
  6. Step 6: Final answer
    x = 218,954.29

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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.