Home / 451,084.75-676,364.64-170,623.87

Finding the Fourth Proportional to 451,084.75, 676,364.64 and 170,623.87

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Solution

The fourth proportional to 451,084.75, 676,364.64 and 170,623.87 is: 255,836.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,084.75 : 676,364.64 = 170,623.87 : x
  2. Step 2: Convert to fraction form
    451,084.75/676,364.64 = 170,623.87/x
  3. Step 3: Cross multiply
    451,084.75x = 676,364.64 × 170,623.87
  4. Step 4: Simplify right side
    451,084.75x = 115,403,952,407.96
  5. Step 5: Solve for x
    x = 115,403,952,407.96/451,084.75
  6. Step 6: Final answer
    x = 255,836.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.