Home / 220,440.74-304,085.85-143,851.46

Finding the Fourth Proportional to 220,440.74, 304,085.85 and 143,851.46

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Solution

The fourth proportional to 220,440.74, 304,085.85 and 143,851.46 is: 198,435.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,440.74 : 304,085.85 = 143,851.46 : x
  2. Step 2: Convert to fraction form
    220,440.74/304,085.85 = 143,851.46/x
  3. Step 3: Cross multiply
    220,440.74x = 304,085.85 × 143,851.46
  4. Step 4: Simplify right side
    220,440.74x = 43,743,193,487.84
  5. Step 5: Solve for x
    x = 43,743,193,487.84/220,440.74
  6. Step 6: Final answer
    x = 198,435.16

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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.