Home / 300,426.18-414,146.43-228,681.24

Finding the Fourth Proportional to 300,426.18, 414,146.43 and 228,681.24

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Solution

The fourth proportional to 300,426.18, 414,146.43 and 228,681.24 is: 315,243.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,426.18 : 414,146.43 = 228,681.24 : x
  2. Step 2: Convert to fraction form
    300,426.18/414,146.43 = 228,681.24/x
  3. Step 3: Cross multiply
    300,426.18x = 414,146.43 × 228,681.24
  4. Step 4: Simplify right side
    300,426.18x = 94,707,519,153.97
  5. Step 5: Solve for x
    x = 94,707,519,153.97/300,426.18
  6. Step 6: Final answer
    x = 315,243.90

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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.