Home / 220,439.74-304,084.47-143,850.46

Finding the Fourth Proportional to 220,439.74, 304,084.47 and 143,850.46

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Solution

The fourth proportional to 220,439.74, 304,084.47 and 143,850.46 is: 198,433.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,439.74 : 304,084.47 = 143,850.46 : x
  2. Step 2: Convert to fraction form
    220,439.74/304,084.47 = 143,850.46/x
  3. Step 3: Cross multiply
    220,439.74x = 304,084.47 × 143,850.46
  4. Step 4: Simplify right side
    220,439.74x = 43,742,690,888.36
  5. Step 5: Solve for x
    x = 43,742,690,888.36/220,439.74
  6. Step 6: Final answer
    x = 198,433.78

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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.