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Finding the Fourth Proportional to 225,600.04, 311,328.12 and 134,959.87

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Solution

The fourth proportional to 225,600.04, 311,328.12 and 134,959.87 is: 186,244.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,600.04 : 311,328.12 = 134,959.87 : x
  2. Step 2: Convert to fraction form
    225,600.04/311,328.12 = 134,959.87/x
  3. Step 3: Cross multiply
    225,600.04x = 311,328.12 × 134,959.87
  4. Step 4: Simplify right side
    225,600.04x = 42,016,802,602.54
  5. Step 5: Solve for x
    x = 42,016,802,602.54/225,600.04
  6. Step 6: Final answer
    x = 186,244.66

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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.