Home / 258,933.52-388,642.20-134,362

Finding the Fourth Proportional to 258,933.52, 388,642.20 and 134,362

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Solution

The fourth proportional to 258,933.52, 388,642.20 and 134,362 is: 201,668.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,933.52 : 388,642.20 = 134,362 : x
  2. Step 2: Convert to fraction form
    258,933.52/388,642.20 = 134,362/x
  3. Step 3: Cross multiply
    258,933.52x = 388,642.20 × 134,362
  4. Step 4: Simplify right side
    258,933.52x = 52,218,743,276.40
  5. Step 5: Solve for x
    x = 52,218,743,276.40/258,933.52
  6. Step 6: Final answer
    x = 201,668.53

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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.