Home / 281,452.08-388,399.20-152,389.50

Finding the Fourth Proportional to 281,452.08, 388,399.20 and 152,389.50

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Solution

The fourth proportional to 281,452.08, 388,399.20 and 152,389.50 is: 210,294.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,452.08 : 388,399.20 = 152,389.50 : x
  2. Step 2: Convert to fraction form
    281,452.08/388,399.20 = 152,389.50/x
  3. Step 3: Cross multiply
    281,452.08x = 388,399.20 × 152,389.50
  4. Step 4: Simplify right side
    281,452.08x = 59,187,959,888.40
  5. Step 5: Solve for x
    x = 59,187,959,888.40/281,452.08
  6. Step 6: Final answer
    x = 210,294.98

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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.