Home / 328,418.66-492,625.04-103,779.13

Finding the Fourth Proportional to 328,418.66, 492,625.04 and 103,779.13

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Solution

The fourth proportional to 328,418.66, 492,625.04 and 103,779.13 is: 155,667.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,418.66 : 492,625.04 = 103,779.13 : x
  2. Step 2: Convert to fraction form
    328,418.66/492,625.04 = 103,779.13/x
  3. Step 3: Cross multiply
    328,418.66x = 492,625.04 × 103,779.13
  4. Step 4: Simplify right side
    328,418.66x = 51,124,198,067.42
  5. Step 5: Solve for x
    x = 51,124,198,067.42/328,418.66
  6. Step 6: Final answer
    x = 155,667.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.