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Finding the Fourth Proportional to 366,894.90, 506,100.42 and 230,713.20

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Solution

The fourth proportional to 366,894.90, 506,100.42 and 230,713.20 is: 318,249.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,894.90 : 506,100.42 = 230,713.20 : x
  2. Step 2: Convert to fraction form
    366,894.90/506,100.42 = 230,713.20/x
  3. Step 3: Cross multiply
    366,894.90x = 506,100.42 × 230,713.20
  4. Step 4: Simplify right side
    366,894.90x = 116,764,047,419.54
  5. Step 5: Solve for x
    x = 116,764,047,419.54/366,894.90
  6. Step 6: Final answer
    x = 318,249.31

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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.