Home / 359,822.79-496,563.21-198,688.14

Finding the Fourth Proportional to 359,822.79, 496,563.21 and 198,688.14

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Solution

The fourth proportional to 359,822.79, 496,563.21 and 198,688.14 is: 274,193.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,822.79 : 496,563.21 = 198,688.14 : x
  2. Step 2: Convert to fraction form
    359,822.79/496,563.21 = 198,688.14/x
  3. Step 3: Cross multiply
    359,822.79x = 496,563.21 × 198,688.14
  4. Step 4: Simplify right side
    359,822.79x = 98,661,220,587.33
  5. Step 5: Solve for x
    x = 98,661,220,587.33/359,822.79
  6. Step 6: Final answer
    x = 274,193.92

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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.