Home / 651,339.20-976,974.24-208,072.64

Finding the Fourth Proportional to 651,339.20, 976,974.24 and 208,072.64

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Solution

The fourth proportional to 651,339.20, 976,974.24 and 208,072.64 is: 312,097.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,339.20 : 976,974.24 = 208,072.64 : x
  2. Step 2: Convert to fraction form
    651,339.20/976,974.24 = 208,072.64/x
  3. Step 3: Cross multiply
    651,339.20x = 976,974.24 × 208,072.64
  4. Step 4: Simplify right side
    651,339.20x = 203,281,609,328.79
  5. Step 5: Solve for x
    x = 203,281,609,328.79/651,339.20
  6. Step 6: Final answer
    x = 312,097.92

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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.