Home / 320,872.11-442,664.48-193,476.93

Finding the Fourth Proportional to 320,872.11, 442,664.48 and 193,476.93

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Solution

The fourth proportional to 320,872.11, 442,664.48 and 193,476.93 is: 266,914.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,872.11 : 442,664.48 = 193,476.93 : x
  2. Step 2: Convert to fraction form
    320,872.11/442,664.48 = 193,476.93/x
  3. Step 3: Cross multiply
    320,872.11x = 442,664.48 × 193,476.93
  4. Step 4: Simplify right side
    320,872.11x = 85,645,363,643.06
  5. Step 5: Solve for x
    x = 85,645,363,643.06/320,872.11
  6. Step 6: Final answer
    x = 266,914.33

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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.