Home / 239,344.86-358,898.82-139,530.18

Finding the Fourth Proportional to 239,344.86, 358,898.82 and 139,530.18

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Solution

The fourth proportional to 239,344.86, 358,898.82 and 139,530.18 is: 209,226.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,344.86 : 358,898.82 = 139,530.18 : x
  2. Step 2: Convert to fraction form
    239,344.86/358,898.82 = 139,530.18/x
  3. Step 3: Cross multiply
    239,344.86x = 358,898.82 × 139,530.18
  4. Step 4: Simplify right side
    239,344.86x = 50,077,216,956.39
  5. Step 5: Solve for x
    x = 50,077,216,956.39/239,344.86
  6. Step 6: Final answer
    x = 209,226.21

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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.