Home / 220,948.37-304,811.75-149,302.25

Finding the Fourth Proportional to 220,948.37, 304,811.75 and 149,302.25

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Solution

The fourth proportional to 220,948.37, 304,811.75 and 149,302.25 is: 205,971.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,948.37 : 304,811.75 = 149,302.25 : x
  2. Step 2: Convert to fraction form
    220,948.37/304,811.75 = 149,302.25/x
  3. Step 3: Cross multiply
    220,948.37x = 304,811.75 × 149,302.25
  4. Step 4: Simplify right side
    220,948.37x = 45,509,079,354.93
  5. Step 5: Solve for x
    x = 45,509,079,354.93/220,948.37
  6. Step 6: Final answer
    x = 205,971.56

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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.