Home / 274,342.91-378,315.02-166,808.12

Finding the Fourth Proportional to 274,342.91, 378,315.02 and 166,808.12

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Solution

The fourth proportional to 274,342.91, 378,315.02 and 166,808.12 is: 230,026.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,342.91 : 378,315.02 = 166,808.12 : x
  2. Step 2: Convert to fraction form
    274,342.91/378,315.02 = 166,808.12/x
  3. Step 3: Cross multiply
    274,342.91x = 378,315.02 × 166,808.12
  4. Step 4: Simplify right side
    274,342.91x = 63,106,015,779.41
  5. Step 5: Solve for x
    x = 63,106,015,779.41/274,342.91
  6. Step 6: Final answer
    x = 230,026.05

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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.