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Finding the Fourth Proportional to 455,525.38, 683,217.99 and 151,924.87

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Solution

The fourth proportional to 455,525.38, 683,217.99 and 151,924.87 is: 227,863.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,525.38 : 683,217.99 = 151,924.87 : x
  2. Step 2: Convert to fraction form
    455,525.38/683,217.99 = 151,924.87/x
  3. Step 3: Cross multiply
    455,525.38x = 683,217.99 × 151,924.87
  4. Step 4: Simplify right side
    455,525.38x = 103,797,804,312.41
  5. Step 5: Solve for x
    x = 103,797,804,312.41/455,525.38
  6. Step 6: Final answer
    x = 227,863.93

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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.