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Finding the Fourth Proportional to 344,970.36, 517,377.78 and 95,671.80

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Solution

The fourth proportional to 344,970.36, 517,377.78 and 95,671.80 is: 143,486.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,970.36 : 517,377.78 = 95,671.80 : x
  2. Step 2: Convert to fraction form
    344,970.36/517,377.78 = 95,671.80/x
  3. Step 3: Cross multiply
    344,970.36x = 517,377.78 × 95,671.80
  4. Step 4: Simplify right side
    344,970.36x = 49,498,463,492.60
  5. Step 5: Solve for x
    x = 49,498,463,492.60/344,970.36
  6. Step 6: Final answer
    x = 143,486.13

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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.