Home / 283,811.12-391,727.58-170,612

Finding the Fourth Proportional to 283,811.12, 391,727.58 and 170,612

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Solution

The fourth proportional to 283,811.12, 391,727.58 and 170,612 is: 235,485.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,811.12 : 391,727.58 = 170,612 : x
  2. Step 2: Convert to fraction form
    283,811.12/391,727.58 = 170,612/x
  3. Step 3: Cross multiply
    283,811.12x = 391,727.58 × 170,612
  4. Step 4: Simplify right side
    283,811.12x = 66,833,425,878.96
  5. Step 5: Solve for x
    x = 66,833,425,878.96/283,811.12
  6. Step 6: Final answer
    x = 235,485.58

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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.