Home / 242,754.06-363,878.40-135,981.48

Finding the Fourth Proportional to 242,754.06, 363,878.40 and 135,981.48

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Solution

The fourth proportional to 242,754.06, 363,878.40 and 135,981.48 is: 203,830.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,754.06 : 363,878.40 = 135,981.48 : x
  2. Step 2: Convert to fraction form
    242,754.06/363,878.40 = 135,981.48/x
  3. Step 3: Cross multiply
    242,754.06x = 363,878.40 × 135,981.48
  4. Step 4: Simplify right side
    242,754.06x = 49,480,723,372.03
  5. Step 5: Solve for x
    x = 49,480,723,372.03/242,754.06
  6. Step 6: Final answer
    x = 203,830.67

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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.