Home / 280,052.24-419,837.72-102,522.51

Finding the Fourth Proportional to 280,052.24, 419,837.72 and 102,522.51

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Solution

The fourth proportional to 280,052.24, 419,837.72 and 102,522.51 is: 153,695.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,052.24 : 419,837.72 = 102,522.51 : x
  2. Step 2: Convert to fraction form
    280,052.24/419,837.72 = 102,522.51/x
  3. Step 3: Cross multiply
    280,052.24x = 419,837.72 × 102,522.51
  4. Step 4: Simplify right side
    280,052.24x = 43,042,816,334.46
  5. Step 5: Solve for x
    x = 43,042,816,334.46/280,052.24
  6. Step 6: Final answer
    x = 153,695.67

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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.