Home / 281,513.77-388,489.19-152,453.25

Finding the Fourth Proportional to 281,513.77, 388,489.19 and 152,453.25

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Solution

The fourth proportional to 281,513.77, 388,489.19 and 152,453.25 is: 210,385.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,513.77 : 388,489.19 = 152,453.25 : x
  2. Step 2: Convert to fraction form
    281,513.77/388,489.19 = 152,453.25/x
  3. Step 3: Cross multiply
    281,513.77x = 388,489.19 × 152,453.25
  4. Step 4: Simplify right side
    281,513.77x = 59,226,439,605.37
  5. Step 5: Solve for x
    x = 59,226,439,605.37/281,513.77
  6. Step 6: Final answer
    x = 210,385.59

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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.