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Finding the Fourth Proportional to 308,993.04, 426,603.12 and 237,230.28

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Solution

The fourth proportional to 308,993.04, 426,603.12 and 237,230.28 is: 327,525.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,993.04 : 426,603.12 = 237,230.28 : x
  2. Step 2: Convert to fraction form
    308,993.04/426,603.12 = 237,230.28/x
  3. Step 3: Cross multiply
    308,993.04x = 426,603.12 × 237,230.28
  4. Step 4: Simplify right side
    308,993.04x = 101,203,177,606.47
  5. Step 5: Solve for x
    x = 101,203,177,606.47/308,993.04
  6. Step 6: Final answer
    x = 327,525.75

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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.