Home / 283,140.46-390,743.09-162,304.61

Finding the Fourth Proportional to 283,140.46, 390,743.09 and 162,304.61

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Solution

The fourth proportional to 283,140.46, 390,743.09 and 162,304.61 is: 223,985.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,140.46 : 390,743.09 = 162,304.61 : x
  2. Step 2: Convert to fraction form
    283,140.46/390,743.09 = 162,304.61/x
  3. Step 3: Cross multiply
    283,140.46x = 390,743.09 × 162,304.61
  4. Step 4: Simplify right side
    283,140.46x = 63,419,404,873.98
  5. Step 5: Solve for x
    x = 63,419,404,873.98/283,140.46
  6. Step 6: Final answer
    x = 223,985.67

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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.