Home / 303,498.12-418,272.33-201,343.35

Finding the Fourth Proportional to 303,498.12, 418,272.33 and 201,343.35

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Solution

The fourth proportional to 303,498.12, 418,272.33 and 201,343.35 is: 277,485.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,498.12 : 418,272.33 = 201,343.35 : x
  2. Step 2: Convert to fraction form
    303,498.12/418,272.33 = 201,343.35/x
  3. Step 3: Cross multiply
    303,498.12x = 418,272.33 × 201,343.35
  4. Step 4: Simplify right side
    303,498.12x = 84,216,352,134.51
  5. Step 5: Solve for x
    x = 84,216,352,134.51/303,498.12
  6. Step 6: Final answer
    x = 277,485.58

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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.