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Finding the Fourth Proportional to 383,376.32, 575,064.40 and 102,893.57

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Solution

The fourth proportional to 383,376.32, 575,064.40 and 102,893.57 is: 154,340.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,376.32 : 575,064.40 = 102,893.57 : x
  2. Step 2: Convert to fraction form
    383,376.32/575,064.40 = 102,893.57/x
  3. Step 3: Cross multiply
    383,376.32x = 575,064.40 × 102,893.57
  4. Step 4: Simplify right side
    383,376.32x = 59,170,426,550.71
  5. Step 5: Solve for x
    x = 59,170,426,550.71/383,376.32
  6. Step 6: Final answer
    x = 154,340.33

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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.