Home / 542,849.50-814,279.47-205,799.50

Finding the Fourth Proportional to 542,849.50, 814,279.47 and 205,799.50

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Solution

The fourth proportional to 542,849.50, 814,279.47 and 205,799.50 is: 308,701.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,849.50 : 814,279.47 = 205,799.50 : x
  2. Step 2: Convert to fraction form
    542,849.50/814,279.47 = 205,799.50/x
  3. Step 3: Cross multiply
    542,849.50x = 814,279.47 × 205,799.50
  4. Step 4: Simplify right side
    542,849.50x = 167,578,307,786.27
  5. Step 5: Solve for x
    x = 167,578,307,786.27/542,849.50
  6. Step 6: Final answer
    x = 308,701.23

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1.5x scale

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.