Home / 291,327.15-402,025.29-162,265.23

Finding the Fourth Proportional to 291,327.15, 402,025.29 and 162,265.23

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Solution

The fourth proportional to 291,327.15, 402,025.29 and 162,265.23 is: 223,922.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,327.15 : 402,025.29 = 162,265.23 : x
  2. Step 2: Convert to fraction form
    291,327.15/402,025.29 = 162,265.23/x
  3. Step 3: Cross multiply
    291,327.15x = 402,025.29 × 162,265.23
  4. Step 4: Simplify right side
    291,327.15x = 65,234,726,147.67
  5. Step 5: Solve for x
    x = 65,234,726,147.67/291,327.15
  6. Step 6: Final answer
    x = 223,922.58

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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.