Home / 247,320.44-341,296.64-139,890.34

Finding the Fourth Proportional to 247,320.44, 341,296.64 and 139,890.34

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Solution

The fourth proportional to 247,320.44, 341,296.64 and 139,890.34 is: 193,045.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,320.44 : 341,296.64 = 139,890.34 : x
  2. Step 2: Convert to fraction form
    247,320.44/341,296.64 = 139,890.34/x
  3. Step 3: Cross multiply
    247,320.44x = 341,296.64 × 139,890.34
  4. Step 4: Simplify right side
    247,320.44x = 47,744,103,262.22
  5. Step 5: Solve for x
    x = 47,744,103,262.22/247,320.44
  6. Step 6: Final answer
    x = 193,045.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.