Home / 304,290.32-419,779.18-196,895

Finding the Fourth Proportional to 304,290.32, 419,779.18 and 196,895

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Solution

The fourth proportional to 304,290.32, 419,779.18 and 196,895 is: 271,623.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,290.32 : 419,779.18 = 196,895 : x
  2. Step 2: Convert to fraction form
    304,290.32/419,779.18 = 196,895/x
  3. Step 3: Cross multiply
    304,290.32x = 419,779.18 × 196,895
  4. Step 4: Simplify right side
    304,290.32x = 82,652,421,646.10
  5. Step 5: Solve for x
    x = 82,652,421,646.10/304,290.32
  6. Step 6: Final answer
    x = 271,623.57

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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.