Home / 220,417.38-304,172.61-123,621.24

Finding the Fourth Proportional to 220,417.38, 304,172.61 and 123,621.24

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Solution

The fourth proportional to 220,417.38, 304,172.61 and 123,621.24 is: 170,595.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,417.38 : 304,172.61 = 123,621.24 : x
  2. Step 2: Convert to fraction form
    220,417.38/304,172.61 = 123,621.24/x
  3. Step 3: Cross multiply
    220,417.38x = 304,172.61 × 123,621.24
  4. Step 4: Simplify right side
    220,417.38x = 37,602,195,222.24
  5. Step 5: Solve for x
    x = 37,602,195,222.24/220,417.38
  6. Step 6: Final answer
    x = 170,595.42

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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.