Home / 243,004.40-364,069.20-198,389.60

Finding the Fourth Proportional to 243,004.40, 364,069.20 and 198,389.60

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Solution

The fourth proportional to 243,004.40, 364,069.20 and 198,389.60 is: 297,227.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,004.40 : 364,069.20 = 198,389.60 : x
  2. Step 2: Convert to fraction form
    243,004.40/364,069.20 = 198,389.60/x
  3. Step 3: Cross multiply
    243,004.40x = 364,069.20 × 198,389.60
  4. Step 4: Simplify right side
    243,004.40x = 72,227,542,960.32
  5. Step 5: Solve for x
    x = 72,227,542,960.32/243,004.40
  6. Step 6: Final answer
    x = 297,227.31

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1.5x scale

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.