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Finding the Fourth Proportional to 163,072.90, 227,835.50 and 163,072.90

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Solution

The fourth proportional to 163,072.90, 227,835.50 and 163,072.90 is: 227,835.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,072.90 : 227,835.50 = 163,072.90 : x
  2. Step 2: Convert to fraction form
    163,072.90/227,835.50 = 163,072.90/x
  3. Step 3: Cross multiply
    163,072.90x = 227,835.50 × 163,072.90
  4. Step 4: Simplify right side
    163,072.90x = 37,153,795,707.95
  5. Step 5: Solve for x
    x = 37,153,795,707.95/163,072.90
  6. Step 6: Final answer
    x = 227,835.50

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.