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Finding the Fourth Proportional to 310,996.80, 465,639.84 and 235,895.04

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Solution

The fourth proportional to 310,996.80, 465,639.84 and 235,895.04 is: 353,193.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,996.80 : 465,639.84 = 235,895.04 : x
  2. Step 2: Convert to fraction form
    310,996.80/465,639.84 = 235,895.04/x
  3. Step 3: Cross multiply
    310,996.80x = 465,639.84 × 235,895.04
  4. Step 4: Simplify right side
    310,996.80x = 109,842,128,682.39
  5. Step 5: Solve for x
    x = 109,842,128,682.39/310,996.80
  6. Step 6: Final answer
    x = 353,193.76

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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.