Home / 268,015.36-369,487.56-219,447.76

Finding the Fourth Proportional to 268,015.36, 369,487.56 and 219,447.76

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Solution

The fourth proportional to 268,015.36, 369,487.56 and 219,447.76 is: 302,531.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,015.36 : 369,487.56 = 219,447.76 : x
  2. Step 2: Convert to fraction form
    268,015.36/369,487.56 = 219,447.76/x
  3. Step 3: Cross multiply
    268,015.36x = 369,487.56 × 219,447.76
  4. Step 4: Simplify right side
    268,015.36x = 81,083,217,389.87
  5. Step 5: Solve for x
    x = 81,083,217,389.87/268,015.36
  6. Step 6: Final answer
    x = 302,531.98

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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.