Home / 651,343.20-976,980.24-208,076.64

Finding the Fourth Proportional to 651,343.20, 976,980.24 and 208,076.64

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Solution

The fourth proportional to 651,343.20, 976,980.24 and 208,076.64 is: 312,103.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,343.20 : 976,980.24 = 208,076.64 : x
  2. Step 2: Convert to fraction form
    651,343.20/976,980.24 = 208,076.64/x
  3. Step 3: Cross multiply
    651,343.20x = 976,980.24 × 208,076.64
  4. Step 4: Simplify right side
    651,343.20x = 203,286,765,685.59
  5. Step 5: Solve for x
    x = 203,286,765,685.59/651,343.20
  6. Step 6: Final answer
    x = 312,103.92

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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.