Home / 310,550.45-428,772.07-237,825.04

Finding the Fourth Proportional to 310,550.45, 428,772.07 and 237,825.04

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Solution

The fourth proportional to 310,550.45, 428,772.07 and 237,825.04 is: 328,361.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,550.45 : 428,772.07 = 237,825.04 : x
  2. Step 2: Convert to fraction form
    310,550.45/428,772.07 = 237,825.04/x
  3. Step 3: Cross multiply
    310,550.45x = 428,772.07 × 237,825.04
  4. Step 4: Simplify right side
    310,550.45x = 101,972,734,537.91
  5. Step 5: Solve for x
    x = 101,972,734,537.91/310,550.45
  6. Step 6: Final answer
    x = 328,361.25

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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.