Home / 317,201.27-475,926.52-139,583.72

Finding the Fourth Proportional to 317,201.27, 475,926.52 and 139,583.72

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Solution

The fourth proportional to 317,201.27, 475,926.52 and 139,583.72 is: 209,430.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,201.27 : 475,926.52 = 139,583.72 : x
  2. Step 2: Convert to fraction form
    317,201.27/475,926.52 = 139,583.72/x
  3. Step 3: Cross multiply
    317,201.27x = 475,926.52 × 139,583.72
  4. Step 4: Simplify right side
    317,201.27x = 66,431,592,926.32
  5. Step 5: Solve for x
    x = 66,431,592,926.32/317,201.27
  6. Step 6: Final answer
    x = 209,430.42

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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.