Home / 287,927.53-431,974.31-88,277.38

Finding the Fourth Proportional to 287,927.53, 431,974.31 and 88,277.38

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Solution

The fourth proportional to 287,927.53, 431,974.31 and 88,277.38 is: 132,441.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,927.53 : 431,974.31 = 88,277.38 : x
  2. Step 2: Convert to fraction form
    287,927.53/431,974.31 = 88,277.38/x
  3. Step 3: Cross multiply
    287,927.53x = 431,974.31 × 88,277.38
  4. Step 4: Simplify right side
    287,927.53x = 38,133,558,792.79
  5. Step 5: Solve for x
    x = 38,133,558,792.79/287,927.53
  6. Step 6: Final answer
    x = 132,441.52

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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.