Home / 323,517.02-446,455.24-187,631.50

Finding the Fourth Proportional to 323,517.02, 446,455.24 and 187,631.50

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Solution

The fourth proportional to 323,517.02, 446,455.24 and 187,631.50 is: 258,932.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,517.02 : 446,455.24 = 187,631.50 : x
  2. Step 2: Convert to fraction form
    323,517.02/446,455.24 = 187,631.50/x
  3. Step 3: Cross multiply
    323,517.02x = 446,455.24 × 187,631.50
  4. Step 4: Simplify right side
    323,517.02x = 83,769,066,364.06
  5. Step 5: Solve for x
    x = 83,769,066,364.06/323,517.02
  6. Step 6: Final answer
    x = 258,932.49

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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.