Home / 268,056.81-369,927.09-154,879.56

Finding the Fourth Proportional to 268,056.81, 369,927.09 and 154,879.56

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Solution

The fourth proportional to 268,056.81, 369,927.09 and 154,879.56 is: 213,738.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,056.81 : 369,927.09 = 154,879.56 : x
  2. Step 2: Convert to fraction form
    268,056.81/369,927.09 = 154,879.56/x
  3. Step 3: Cross multiply
    268,056.81x = 369,927.09 × 154,879.56
  4. Step 4: Simplify right side
    268,056.81x = 57,294,144,931.28
  5. Step 5: Solve for x
    x = 57,294,144,931.28/268,056.81
  6. Step 6: Final answer
    x = 213,738.82

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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.