Home / 220,521.36-304,412.49-148,998.18

Finding the Fourth Proportional to 220,521.36, 304,412.49 and 148,998.18

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Solution

The fourth proportional to 220,521.36, 304,412.49 and 148,998.18 is: 205,680.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,521.36 : 304,412.49 = 148,998.18 : x
  2. Step 2: Convert to fraction form
    220,521.36/304,412.49 = 148,998.18/x
  3. Step 3: Cross multiply
    220,521.36x = 304,412.49 × 148,998.18
  4. Step 4: Simplify right side
    220,521.36x = 45,356,906,979.27
  5. Step 5: Solve for x
    x = 45,356,906,979.27/220,521.36
  6. Step 6: Final answer
    x = 205,680.33

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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.