Home / 228,984.06-316,154.70-143,074.11

Finding the Fourth Proportional to 228,984.06, 316,154.70 and 143,074.11

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Solution

The fourth proportional to 228,984.06, 316,154.70 and 143,074.11 is: 197,540.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,984.06 : 316,154.70 = 143,074.11 : x
  2. Step 2: Convert to fraction form
    228,984.06/316,154.70 = 143,074.11/x
  3. Step 3: Cross multiply
    228,984.06x = 316,154.70 × 143,074.11
  4. Step 4: Simplify right side
    228,984.06x = 45,233,552,324.82
  5. Step 5: Solve for x
    x = 45,233,552,324.82/228,984.06
  6. Step 6: Final answer
    x = 197,540.18

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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.