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Finding the Fourth Proportional to 637,967.14, 956,918.90 and 238,578.55

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Solution

The fourth proportional to 637,967.14, 956,918.90 and 238,578.55 is: 357,855.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,967.14 : 956,918.90 = 238,578.55 : x
  2. Step 2: Convert to fraction form
    637,967.14/956,918.90 = 238,578.55/x
  3. Step 3: Cross multiply
    637,967.14x = 956,918.90 × 238,578.55
  4. Step 4: Simplify right side
    637,967.14x = 228,300,321,833.74
  5. Step 5: Solve for x
    x = 228,300,321,833.74/637,967.14
  6. Step 6: Final answer
    x = 357,855.93

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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.