Home / 408,914.02-613,633.47-198,437.14

Finding the Fourth Proportional to 408,914.02, 613,633.47 and 198,437.14

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Solution

The fourth proportional to 408,914.02, 613,633.47 and 198,437.14 is: 297,783.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,914.02 : 613,633.47 = 198,437.14 : x
  2. Step 2: Convert to fraction form
    408,914.02/613,633.47 = 198,437.14/x
  3. Step 3: Cross multiply
    408,914.02x = 613,633.47 × 198,437.14
  4. Step 4: Simplify right side
    408,914.02x = 121,767,670,795.08
  5. Step 5: Solve for x
    x = 121,767,670,795.08/408,914.02
  6. Step 6: Final answer
    x = 297,783.07

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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.