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Finding the Fourth Proportional to 223,341.77, 308,237.85 and 132,698.48

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Solution

The fourth proportional to 223,341.77, 308,237.85 and 132,698.48 is: 183,139.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,341.77 : 308,237.85 = 132,698.48 : x
  2. Step 2: Convert to fraction form
    223,341.77/308,237.85 = 132,698.48/x
  3. Step 3: Cross multiply
    223,341.77x = 308,237.85 × 132,698.48
  4. Step 4: Simplify right side
    223,341.77x = 40,902,692,632.28
  5. Step 5: Solve for x
    x = 40,902,692,632.28/223,341.77
  6. Step 6: Final answer
    x = 183,139.46

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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.