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Finding the Fourth Proportional to 255,441.57, 383,185.44 and 97,671.39

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Solution

The fourth proportional to 255,441.57, 383,185.44 and 97,671.39 is: 146,515.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,441.57 : 383,185.44 = 97,671.39 : x
  2. Step 2: Convert to fraction form
    255,441.57/383,185.44 = 97,671.39/x
  3. Step 3: Cross multiply
    255,441.57x = 383,185.44 × 97,671.39
  4. Step 4: Simplify right side
    255,441.57x = 37,426,254,552.56
  5. Step 5: Solve for x
    x = 37,426,254,552.56/255,441.57
  6. Step 6: Final answer
    x = 146,515.91

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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.