Home / 228,042.54-314,810.92-143,206.38

Finding the Fourth Proportional to 228,042.54, 314,810.92 and 143,206.38

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Solution

The fourth proportional to 228,042.54, 314,810.92 and 143,206.38 is: 197,695.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,042.54 : 314,810.92 = 143,206.38 : x
  2. Step 2: Convert to fraction form
    228,042.54/314,810.92 = 143,206.38/x
  3. Step 3: Cross multiply
    228,042.54x = 314,810.92 × 143,206.38
  4. Step 4: Simplify right side
    228,042.54x = 45,082,932,237.67
  5. Step 5: Solve for x
    x = 45,082,932,237.67/228,042.54
  6. Step 6: Final answer
    x = 197,695.27

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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.