Home / 320,922.30-442,878.93-191,993.52

Finding the Fourth Proportional to 320,922.30, 442,878.93 and 191,993.52

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Solution

The fourth proportional to 320,922.30, 442,878.93 and 191,993.52 is: 264,954.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,922.30 : 442,878.93 = 191,993.52 : x
  2. Step 2: Convert to fraction form
    320,922.30/442,878.93 = 191,993.52/x
  3. Step 3: Cross multiply
    320,922.30x = 442,878.93 × 191,993.52
  4. Step 4: Simplify right side
    320,922.30x = 85,029,884,704.53
  5. Step 5: Solve for x
    x = 85,029,884,704.53/320,922.30
  6. Step 6: Final answer
    x = 264,954.74

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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.