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Finding the Fourth Proportional to 455,373, 683,092.31 and 174,890.25

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Solution

The fourth proportional to 455,373, 683,092.31 and 174,890.25 is: 262,347.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,373 : 683,092.31 = 174,890.25 : x
  2. Step 2: Convert to fraction form
    455,373/683,092.31 = 174,890.25/x
  3. Step 3: Cross multiply
    455,373x = 683,092.31 × 174,890.25
  4. Step 4: Simplify right side
    455,373x = 119,466,183,994.53
  5. Step 5: Solve for x
    x = 119,466,183,994.53/455,373
  6. Step 6: Final answer
    x = 262,347.97

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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.