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Finding the Fourth Proportional to 323,156.07, 484,955.51 and 112,793.94

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Solution

The fourth proportional to 323,156.07, 484,955.51 and 112,793.94 is: 169,268.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,156.07 : 484,955.51 = 112,793.94 : x
  2. Step 2: Convert to fraction form
    323,156.07/484,955.51 = 112,793.94/x
  3. Step 3: Cross multiply
    323,156.07x = 484,955.51 × 112,793.94
  4. Step 4: Simplify right side
    323,156.07x = 54,700,042,133.64
  5. Step 5: Solve for x
    x = 54,700,042,133.64/323,156.07
  6. Step 6: Final answer
    x = 169,268.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.