Home / 281,456.18-388,406.62-152,392.44

Finding the Fourth Proportional to 281,456.18, 388,406.62 and 152,392.44

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Solution

The fourth proportional to 281,456.18, 388,406.62 and 152,392.44 is: 210,299.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,456.18 : 388,406.62 = 152,392.44 : x
  2. Step 2: Convert to fraction form
    281,456.18/388,406.62 = 152,392.44/x
  3. Step 3: Cross multiply
    281,456.18x = 388,406.62 × 152,392.44
  4. Step 4: Simplify right side
    281,456.18x = 59,190,230,210.94
  5. Step 5: Solve for x
    x = 59,190,230,210.94/281,456.18
  6. Step 6: Final answer
    x = 210,299.98

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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.