Home / 270,276.36-372,981.32-147,769.18

Finding the Fourth Proportional to 270,276.36, 372,981.32 and 147,769.18

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Solution

The fourth proportional to 270,276.36, 372,981.32 and 147,769.18 is: 203,921.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,276.36 : 372,981.32 = 147,769.18 : x
  2. Step 2: Convert to fraction form
    270,276.36/372,981.32 = 147,769.18/x
  3. Step 3: Cross multiply
    270,276.36x = 372,981.32 × 147,769.18
  4. Step 4: Simplify right side
    270,276.36x = 55,115,143,811.72
  5. Step 5: Solve for x
    x = 55,115,143,811.72/270,276.36
  6. Step 6: Final answer
    x = 203,921.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.