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Finding the Fourth Proportional to 651,327.40, 976,530.30 and 251,813.80

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Solution

The fourth proportional to 651,327.40, 976,530.30 and 251,813.80 is: 377,542.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,327.40 : 976,530.30 = 251,813.80 : x
  2. Step 2: Convert to fraction form
    651,327.40/976,530.30 = 251,813.80/x
  3. Step 3: Cross multiply
    651,327.40x = 976,530.30 × 251,813.80
  4. Step 4: Simplify right side
    651,327.40x = 245,903,805,658.14
  5. Step 5: Solve for x
    x = 245,903,805,658.14/651,327.40
  6. Step 6: Final answer
    x = 377,542.55

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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.