Home / 283,742.37-391,567.50-156,422.52

Finding the Fourth Proportional to 283,742.37, 391,567.50 and 156,422.52

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Solution

The fourth proportional to 283,742.37, 391,567.50 and 156,422.52 is: 215,864.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,742.37 : 391,567.50 = 156,422.52 : x
  2. Step 2: Convert to fraction form
    283,742.37/391,567.50 = 156,422.52/x
  3. Step 3: Cross multiply
    283,742.37x = 391,567.50 × 156,422.52
  4. Step 4: Simplify right side
    283,742.37x = 61,249,975,100.10
  5. Step 5: Solve for x
    x = 61,249,975,100.10/283,742.37
  6. Step 6: Final answer
    x = 215,864.75

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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.