Home / 220,480.29-304,172.15-143,973.09

Finding the Fourth Proportional to 220,480.29, 304,172.15 and 143,973.09

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Solution

The fourth proportional to 220,480.29, 304,172.15 and 143,973.09 is: 198,623.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,480.29 : 304,172.15 = 143,973.09 : x
  2. Step 2: Convert to fraction form
    220,480.29/304,172.15 = 143,973.09/x
  3. Step 3: Cross multiply
    220,480.29x = 304,172.15 × 143,973.09
  4. Step 4: Simplify right side
    220,480.29x = 43,792,603,607.58
  5. Step 5: Solve for x
    x = 43,792,603,607.58/220,480.29
  6. Step 6: Final answer
    x = 198,623.67

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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.