Home / 293,015.13-439,659.43-103,618.93

Finding the Fourth Proportional to 293,015.13, 439,659.43 and 103,618.93

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Solution

The fourth proportional to 293,015.13, 439,659.43 and 103,618.93 is: 155,476.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,015.13 : 439,659.43 = 103,618.93 : x
  2. Step 2: Convert to fraction form
    293,015.13/439,659.43 = 103,618.93/x
  3. Step 3: Cross multiply
    293,015.13x = 439,659.43 × 103,618.93
  4. Step 4: Simplify right side
    293,015.13x = 45,557,039,701.01
  5. Step 5: Solve for x
    x = 45,557,039,701.01/293,015.13
  6. Step 6: Final answer
    x = 155,476.75

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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.