Home / 239,810.49-330,938.53-132,380.59

Finding the Fourth Proportional to 239,810.49, 330,938.53 and 132,380.59

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Solution

The fourth proportional to 239,810.49, 330,938.53 and 132,380.59 is: 182,685.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,810.49 : 330,938.53 = 132,380.59 : x
  2. Step 2: Convert to fraction form
    239,810.49/330,938.53 = 132,380.59/x
  3. Step 3: Cross multiply
    239,810.49x = 330,938.53 × 132,380.59
  4. Step 4: Simplify right side
    239,810.49x = 43,809,837,855.13
  5. Step 5: Solve for x
    x = 43,809,837,855.13/239,810.49
  6. Step 6: Final answer
    x = 182,685.24

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1.5x scale

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.