Home / 268,018.36-369,491.70-219,450.76

Finding the Fourth Proportional to 268,018.36, 369,491.70 and 219,450.76

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Solution

The fourth proportional to 268,018.36, 369,491.70 and 219,450.76 is: 302,536.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,018.36 : 369,491.70 = 219,450.76 : x
  2. Step 2: Convert to fraction form
    268,018.36/369,491.70 = 219,450.76/x
  3. Step 3: Cross multiply
    268,018.36x = 369,491.70 × 219,450.76
  4. Step 4: Simplify right side
    268,018.36x = 81,085,234,378.69
  5. Step 5: Solve for x
    x = 81,085,234,378.69/268,018.36
  6. Step 6: Final answer
    x = 302,536.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.