Home / 228,908.10-343,394.55-71,120.10

Finding the Fourth Proportional to 228,908.10, 343,394.55 and 71,120.10

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Solution

The fourth proportional to 228,908.10, 343,394.55 and 71,120.10 is: 106,690.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,908.10 : 343,394.55 = 71,120.10 : x
  2. Step 2: Convert to fraction form
    228,908.10/343,394.55 = 71,120.10/x
  3. Step 3: Cross multiply
    228,908.10x = 343,394.55 × 71,120.10
  4. Step 4: Simplify right side
    228,908.10x = 24,422,254,735.46
  5. Step 5: Solve for x
    x = 24,422,254,735.46/228,908.10
  6. Step 6: Final answer
    x = 106,690.22

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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.