Home / 281,569.98-388,563.49-152,505.25

Finding the Fourth Proportional to 281,569.98, 388,563.49 and 152,505.25

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Solution

The fourth proportional to 281,569.98, 388,563.49 and 152,505.25 is: 210,455.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,569.98 : 388,563.49 = 152,505.25 : x
  2. Step 2: Convert to fraction form
    281,569.98/388,563.49 = 152,505.25/x
  3. Step 3: Cross multiply
    281,569.98x = 388,563.49 × 152,505.25
  4. Step 4: Simplify right side
    281,569.98x = 59,257,970,544.70
  5. Step 5: Solve for x
    x = 59,257,970,544.70/281,569.98
  6. Step 6: Final answer
    x = 210,455.57

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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.