Home / 283,822.70-391,268.34-223,288.22

Finding the Fourth Proportional to 283,822.70, 391,268.34 and 223,288.22

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Solution

The fourth proportional to 283,822.70, 391,268.34 and 223,288.22 is: 307,817.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,822.70 : 391,268.34 = 223,288.22 : x
  2. Step 2: Convert to fraction form
    283,822.70/391,268.34 = 223,288.22/x
  3. Step 3: Cross multiply
    283,822.70x = 391,268.34 × 223,288.22
  4. Step 4: Simplify right side
    283,822.70x = 87,365,612,159.13
  5. Step 5: Solve for x
    x = 87,365,612,159.13/283,822.70
  6. Step 6: Final answer
    x = 307,817.57

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1.5x scale

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.