Home / 281,740.14-422,985.60-163,496.34

Finding the Fourth Proportional to 281,740.14, 422,985.60 and 163,496.34

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Solution

The fourth proportional to 281,740.14, 422,985.60 and 163,496.34 is: 245,462.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,740.14 : 422,985.60 = 163,496.34 : x
  2. Step 2: Convert to fraction form
    281,740.14/422,985.60 = 163,496.34/x
  3. Step 3: Cross multiply
    281,740.14x = 422,985.60 × 163,496.34
  4. Step 4: Simplify right side
    281,740.14x = 69,156,597,472.70
  5. Step 5: Solve for x
    x = 69,156,597,472.70/281,740.14
  6. Step 6: Final answer
    x = 245,462.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.