Home / 281,144.32-421,248.48-197,863.36

Finding the Fourth Proportional to 281,144.32, 421,248.48 and 197,863.36

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Solution

The fourth proportional to 281,144.32, 421,248.48 and 197,863.36 is: 296,465.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,144.32 : 421,248.48 = 197,863.36 : x
  2. Step 2: Convert to fraction form
    281,144.32/421,248.48 = 197,863.36/x
  3. Step 3: Cross multiply
    281,144.32x = 421,248.48 × 197,863.36
  4. Step 4: Simplify right side
    281,144.32x = 83,349,639,647.69
  5. Step 5: Solve for x
    x = 83,349,639,647.69/281,144.32
  6. Step 6: Final answer
    x = 296,465.67

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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.