Home / 440,021.45-660,026.60-140,498.23

Finding the Fourth Proportional to 440,021.45, 660,026.60 and 140,498.23

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Solution

The fourth proportional to 440,021.45, 660,026.60 and 140,498.23 is: 210,745.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,021.45 : 660,026.60 = 140,498.23 : x
  2. Step 2: Convert to fraction form
    440,021.45/660,026.60 = 140,498.23/x
  3. Step 3: Cross multiply
    440,021.45x = 660,026.60 × 140,498.23
  4. Step 4: Simplify right side
    440,021.45x = 92,732,569,052.92
  5. Step 5: Solve for x
    x = 92,732,569,052.92/440,021.45
  6. Step 6: Final answer
    x = 210,745.56

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1.5x scale

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.