Home / 651,131.20-976,405.20-251,639.20

Finding the Fourth Proportional to 651,131.20, 976,405.20 and 251,639.20

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Solution

The fourth proportional to 651,131.20, 976,405.20 and 251,639.20 is: 377,346.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,131.20 : 976,405.20 = 251,639.20 : x
  2. Step 2: Convert to fraction form
    651,131.20/976,405.20 = 251,639.20/x
  3. Step 3: Cross multiply
    651,131.20x = 976,405.20 × 251,639.20
  4. Step 4: Simplify right side
    651,131.20x = 245,701,823,403.84
  5. Step 5: Solve for x
    x = 245,701,823,403.84/651,131.20
  6. Step 6: Final answer
    x = 377,346.11

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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.