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Finding the Fourth Proportional to 455,496.82, 683,180.98 and 250,395.40

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Solution

The fourth proportional to 455,496.82, 683,180.98 and 250,395.40 is: 375,557.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,496.82 : 683,180.98 = 250,395.40 : x
  2. Step 2: Convert to fraction form
    455,496.82/683,180.98 = 250,395.40/x
  3. Step 3: Cross multiply
    455,496.82x = 683,180.98 × 250,395.40
  4. Step 4: Simplify right side
    455,496.82x = 171,065,376,395.95
  5. Step 5: Solve for x
    x = 171,065,376,395.95/455,496.82
  6. Step 6: Final answer
    x = 375,557.79

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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.