Home / 228,982.56-316,152.63-143,072.61

Finding the Fourth Proportional to 228,982.56, 316,152.63 and 143,072.61

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Solution

The fourth proportional to 228,982.56, 316,152.63 and 143,072.61 is: 197,538.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,982.56 : 316,152.63 = 143,072.61 : x
  2. Step 2: Convert to fraction form
    228,982.56/316,152.63 = 143,072.61/x
  3. Step 3: Cross multiply
    228,982.56x = 316,152.63 × 143,072.61
  4. Step 4: Simplify right side
    228,982.56x = 45,232,781,932.46
  5. Step 5: Solve for x
    x = 45,232,781,932.46/228,982.56
  6. Step 6: Final answer
    x = 197,538.11

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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.