Home / 303,784.02-419,036.49-213,008.94

Finding the Fourth Proportional to 303,784.02, 419,036.49 and 213,008.94

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Solution

The fourth proportional to 303,784.02, 419,036.49 and 213,008.94 is: 293,822.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,784.02 : 419,036.49 = 213,008.94 : x
  2. Step 2: Convert to fraction form
    303,784.02/419,036.49 = 213,008.94/x
  3. Step 3: Cross multiply
    303,784.02x = 419,036.49 × 213,008.94
  4. Step 4: Simplify right side
    303,784.02x = 89,258,518,556.22
  5. Step 5: Solve for x
    x = 89,258,518,556.22/303,784.02
  6. Step 6: Final answer
    x = 293,822.30

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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.