Home / 239,345.86-358,900.32-139,531.18

Finding the Fourth Proportional to 239,345.86, 358,900.32 and 139,531.18

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Solution

The fourth proportional to 239,345.86, 358,900.32 and 139,531.18 is: 209,227.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,345.86 : 358,900.32 = 139,531.18 : x
  2. Step 2: Convert to fraction form
    239,345.86/358,900.32 = 139,531.18/x
  3. Step 3: Cross multiply
    239,345.86x = 358,900.32 × 139,531.18
  4. Step 4: Simplify right side
    239,345.86x = 50,077,785,151.98
  5. Step 5: Solve for x
    x = 50,077,785,151.98/239,345.86
  6. Step 6: Final answer
    x = 209,227.71

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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.