Home / 454,121.40-681,182.10-347,833.20

Finding the Fourth Proportional to 454,121.40, 681,182.10 and 347,833.20

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Solution

The fourth proportional to 454,121.40, 681,182.10 and 347,833.20 is: 521,749.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,121.40 : 681,182.10 = 347,833.20 : x
  2. Step 2: Convert to fraction form
    454,121.40/681,182.10 = 347,833.20/x
  3. Step 3: Cross multiply
    454,121.40x = 681,182.10 × 347,833.20
  4. Step 4: Simplify right side
    454,121.40x = 236,937,749,625.72
  5. Step 5: Solve for x
    x = 236,937,749,625.72/454,121.40
  6. Step 6: Final answer
    x = 521,749.80

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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.