Home / 215,544.32-322,967.04-140,574.72

Finding the Fourth Proportional to 215,544.32, 322,967.04 and 140,574.72

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Solution

The fourth proportional to 215,544.32, 322,967.04 and 140,574.72 is: 210,634.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,544.32 : 322,967.04 = 140,574.72 : x
  2. Step 2: Convert to fraction form
    215,544.32/322,967.04 = 140,574.72/x
  3. Step 3: Cross multiply
    215,544.32x = 322,967.04 × 140,574.72
  4. Step 4: Simplify right side
    215,544.32x = 45,401,001,217.23
  5. Step 5: Solve for x
    x = 45,401,001,217.23/215,544.32
  6. Step 6: Final answer
    x = 210,634.18

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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.