Home / 283,134.42-390,713.94-162,191.52

Finding the Fourth Proportional to 283,134.42, 390,713.94 and 162,191.52

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Solution

The fourth proportional to 283,134.42, 390,713.94 and 162,191.52 is: 223,817.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,134.42 : 390,713.94 = 162,191.52 : x
  2. Step 2: Convert to fraction form
    283,134.42/390,713.94 = 162,191.52/x
  3. Step 3: Cross multiply
    283,134.42x = 390,713.94 × 162,191.52
  4. Step 4: Simplify right side
    283,134.42x = 63,370,487,813.79
  5. Step 5: Solve for x
    x = 63,370,487,813.79/283,134.42
  6. Step 6: Final answer
    x = 223,817.68

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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.