Home / 242,420.25-363,377.61-135,647.67

Finding the Fourth Proportional to 242,420.25, 363,377.61 and 135,647.67

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Solution

The fourth proportional to 242,420.25, 363,377.61 and 135,647.67 is: 203,330.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,420.25 : 363,377.61 = 135,647.67 : x
  2. Step 2: Convert to fraction form
    242,420.25/363,377.61 = 135,647.67/x
  3. Step 3: Cross multiply
    242,420.25x = 363,377.61 × 135,647.67
  4. Step 4: Simplify right side
    242,420.25x = 49,291,327,489.33
  5. Step 5: Solve for x
    x = 49,291,327,489.33/242,420.25
  6. Step 6: Final answer
    x = 203,330.07

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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.