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Finding the Fourth Proportional to 223,133.92, 307,848.78 and 142,607.90

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Solution

The fourth proportional to 223,133.92, 307,848.78 and 142,607.90 is: 196,750.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,133.92 : 307,848.78 = 142,607.90 : x
  2. Step 2: Convert to fraction form
    223,133.92/307,848.78 = 142,607.90/x
  3. Step 3: Cross multiply
    223,133.92x = 307,848.78 × 142,607.90
  4. Step 4: Simplify right side
    223,133.92x = 43,901,668,033.36
  5. Step 5: Solve for x
    x = 43,901,668,033.36/223,133.92
  6. Step 6: Final answer
    x = 196,750.31

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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.