Home / 225,338.20-310,920.06-171,528.28

Finding the Fourth Proportional to 225,338.20, 310,920.06 and 171,528.28

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Solution

The fourth proportional to 225,338.20, 310,920.06 and 171,528.28 is: 236,673.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,338.20 : 310,920.06 = 171,528.28 : x
  2. Step 2: Convert to fraction form
    225,338.20/310,920.06 = 171,528.28/x
  3. Step 3: Cross multiply
    225,338.20x = 310,920.06 × 171,528.28
  4. Step 4: Simplify right side
    225,338.20x = 53,331,583,109.30
  5. Step 5: Solve for x
    x = 53,331,583,109.30/225,338.20
  6. Step 6: Final answer
    x = 236,673.51

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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.