Home / 243,023.40-364,097.70-198,408.60

Finding the Fourth Proportional to 243,023.40, 364,097.70 and 198,408.60

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Solution

The fourth proportional to 243,023.40, 364,097.70 and 198,408.60 is: 297,255.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,023.40 : 364,097.70 = 198,408.60 : x
  2. Step 2: Convert to fraction form
    243,023.40/364,097.70 = 198,408.60/x
  3. Step 3: Cross multiply
    243,023.40x = 364,097.70 × 198,408.60
  4. Step 4: Simplify right side
    243,023.40x = 72,240,114,920.22
  5. Step 5: Solve for x
    x = 72,240,114,920.22/243,023.40
  6. Step 6: Final answer
    x = 297,255.80

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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.