Home / 340,249.45-469,545.92-187,302.96

Finding the Fourth Proportional to 340,249.45, 469,545.92 and 187,302.96

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Solution

The fourth proportional to 340,249.45, 469,545.92 and 187,302.96 is: 258,479.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,249.45 : 469,545.92 = 187,302.96 : x
  2. Step 2: Convert to fraction form
    340,249.45/469,545.92 = 187,302.96/x
  3. Step 3: Cross multiply
    340,249.45x = 469,545.92 × 187,302.96
  4. Step 4: Simplify right side
    340,249.45x = 87,947,340,671.92
  5. Step 5: Solve for x
    x = 87,947,340,671.92/340,249.45
  6. Step 6: Final answer
    x = 258,479.01

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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.