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Finding the Fourth Proportional to 223,463.02, 308,360.73 and 131,567.80

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Solution

The fourth proportional to 223,463.02, 308,360.73 and 131,567.80 is: 181,552.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,463.02 : 308,360.73 = 131,567.80 : x
  2. Step 2: Convert to fraction form
    223,463.02/308,360.73 = 131,567.80/x
  3. Step 3: Cross multiply
    223,463.02x = 308,360.73 × 131,567.80
  4. Step 4: Simplify right side
    223,463.02x = 40,570,342,852.49
  5. Step 5: Solve for x
    x = 40,570,342,852.49/223,463.02
  6. Step 6: Final answer
    x = 181,552.83

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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.