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Finding the Fourth Proportional to 228,227.88, 314,848.35 and 147,681.41

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Solution

The fourth proportional to 228,227.88, 314,848.35 and 147,681.41 is: 203,731.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,227.88 : 314,848.35 = 147,681.41 : x
  2. Step 2: Convert to fraction form
    228,227.88/314,848.35 = 147,681.41/x
  3. Step 3: Cross multiply
    228,227.88x = 314,848.35 × 147,681.41
  4. Step 4: Simplify right side
    228,227.88x = 46,497,246,689.93
  5. Step 5: Solve for x
    x = 46,497,246,689.93/228,227.88
  6. Step 6: Final answer
    x = 203,731.67

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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.