Home / 316,243.50-436,426.35-173,003.55

Finding the Fourth Proportional to 316,243.50, 436,426.35 and 173,003.55

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Solution

The fourth proportional to 316,243.50, 436,426.35 and 173,003.55 is: 238,750.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,243.50 : 436,426.35 = 173,003.55 : x
  2. Step 2: Convert to fraction form
    316,243.50/436,426.35 = 173,003.55/x
  3. Step 3: Cross multiply
    316,243.50x = 436,426.35 × 173,003.55
  4. Step 4: Simplify right side
    316,243.50x = 75,503,306,551.33
  5. Step 5: Solve for x
    x = 75,503,306,551.33/316,243.50
  6. Step 6: Final answer
    x = 238,750.54

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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.