Home / 281,391.36-388,317.13-152,326.92

Finding the Fourth Proportional to 281,391.36, 388,317.13 and 152,326.92

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Solution

The fourth proportional to 281,391.36, 388,317.13 and 152,326.92 is: 210,209.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,391.36 : 388,317.13 = 152,326.92 : x
  2. Step 2: Convert to fraction form
    281,391.36/388,317.13 = 152,326.92/x
  3. Step 3: Cross multiply
    281,391.36x = 388,317.13 × 152,326.92
  4. Step 4: Simplify right side
    281,391.36x = 59,151,149,692.92
  5. Step 5: Solve for x
    x = 59,151,149,692.92/281,391.36
  6. Step 6: Final answer
    x = 210,209.55

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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.