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Finding the Fourth Proportional to 455,099.96, 683,535.82 and 370,922.34

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Solution

The fourth proportional to 455,099.96, 683,535.82 and 370,922.34 is: 557,105.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,099.96 : 683,535.82 = 370,922.34 : x
  2. Step 2: Convert to fraction form
    455,099.96/683,535.82 = 370,922.34/x
  3. Step 3: Cross multiply
    455,099.96x = 683,535.82 × 370,922.34
  4. Step 4: Simplify right side
    455,099.96x = 253,538,705,828.22
  5. Step 5: Solve for x
    x = 253,538,705,828.22/455,099.96
  6. Step 6: Final answer
    x = 557,105.53

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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.