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Finding the Fourth Proportional to 223,510.70, 308,318.53 and 132,895.89

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Solution

The fourth proportional to 223,510.70, 308,318.53 and 132,895.89 is: 183,321.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,510.70 : 308,318.53 = 132,895.89 : x
  2. Step 2: Convert to fraction form
    223,510.70/308,318.53 = 132,895.89/x
  3. Step 3: Cross multiply
    223,510.70x = 308,318.53 × 132,895.89
  4. Step 4: Simplify right side
    223,510.70x = 40,974,264,783.36
  5. Step 5: Solve for x
    x = 40,974,264,783.36/223,510.70
  6. Step 6: Final answer
    x = 183,321.27

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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.