Home / 220,437.60-304,182.56-123,645.28

Finding the Fourth Proportional to 220,437.60, 304,182.56 and 123,645.28

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Solution

The fourth proportional to 220,437.60, 304,182.56 and 123,645.28 is: 170,618.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,437.60 : 304,182.56 = 123,645.28 : x
  2. Step 2: Convert to fraction form
    220,437.60/304,182.56 = 123,645.28/x
  3. Step 3: Cross multiply
    220,437.60x = 304,182.56 × 123,645.28
  4. Step 4: Simplify right side
    220,437.60x = 37,610,737,802.32
  5. Step 5: Solve for x
    x = 37,610,737,802.32/220,437.60
  6. Step 6: Final answer
    x = 170,618.52

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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.