Home / 370,408.23-511,164.12-200,642.36

Finding the Fourth Proportional to 370,408.23, 511,164.12 and 200,642.36

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Solution

The fourth proportional to 370,408.23, 511,164.12 and 200,642.36 is: 276,886.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,408.23 : 511,164.12 = 200,642.36 : x
  2. Step 2: Convert to fraction form
    370,408.23/511,164.12 = 200,642.36/x
  3. Step 3: Cross multiply
    370,408.23x = 511,164.12 × 200,642.36
  4. Step 4: Simplify right side
    370,408.23x = 102,561,172,828.30
  5. Step 5: Solve for x
    x = 102,561,172,828.30/370,408.23
  6. Step 6: Final answer
    x = 276,886.86

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1.5x scale

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.