Home / 293,441.36-442,425.05-291,619.77

Finding the Fourth Proportional to 293,441.36, 442,425.05 and 291,619.77

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Solution

The fourth proportional to 293,441.36, 442,425.05 and 291,619.77 is: 439,678.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,441.36 : 442,425.05 = 291,619.77 : x
  2. Step 2: Convert to fraction form
    293,441.36/442,425.05 = 291,619.77/x
  3. Step 3: Cross multiply
    293,441.36x = 442,425.05 × 291,619.77
  4. Step 4: Simplify right side
    293,441.36x = 129,019,887,653.01
  5. Step 5: Solve for x
    x = 129,019,887,653.01/293,441.36
  6. Step 6: Final answer
    x = 439,678.61

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.