Home / 228,040.03-314,807.48-143,203.87

Finding the Fourth Proportional to 228,040.03, 314,807.48 and 143,203.87

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Solution

The fourth proportional to 228,040.03, 314,807.48 and 143,203.87 is: 197,691.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,040.03 : 314,807.48 = 143,203.87 : x
  2. Step 2: Convert to fraction form
    228,040.03/314,807.48 = 143,203.87/x
  3. Step 3: Cross multiply
    228,040.03x = 314,807.48 × 143,203.87
  4. Step 4: Simplify right side
    228,040.03x = 45,081,649,440.95
  5. Step 5: Solve for x
    x = 45,081,649,440.95/228,040.03
  6. Step 6: Final answer
    x = 197,691.82

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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.