Home / 281,692.29-388,732.05-152,628.24

Finding the Fourth Proportional to 281,692.29, 388,732.05 and 152,628.24

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Solution

The fourth proportional to 281,692.29, 388,732.05 and 152,628.24 is: 210,625.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,692.29 : 388,732.05 = 152,628.24 : x
  2. Step 2: Convert to fraction form
    281,692.29/388,732.05 = 152,628.24/x
  3. Step 3: Cross multiply
    281,692.29x = 388,732.05 × 152,628.24
  4. Step 4: Simplify right side
    281,692.29x = 59,331,488,623.09
  5. Step 5: Solve for x
    x = 59,331,488,623.09/281,692.29
  6. Step 6: Final answer
    x = 210,625.18

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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.