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Finding the Fourth Proportional to 344,382.89, 475,377.32 and 258,589.71

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Solution

The fourth proportional to 344,382.89, 475,377.32 and 258,589.71 is: 356,950.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,382.89 : 475,377.32 = 258,589.71 : x
  2. Step 2: Convert to fraction form
    344,382.89/475,377.32 = 258,589.71/x
  3. Step 3: Cross multiply
    344,382.89x = 475,377.32 × 258,589.71
  4. Step 4: Simplify right side
    344,382.89x = 122,927,682,026.43
  5. Step 5: Solve for x
    x = 122,927,682,026.43/344,382.89
  6. Step 6: Final answer
    x = 356,950.61

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1.5x scale

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.