Home / 442,516.43-610,515.20-261,137.58

Finding the Fourth Proportional to 442,516.43, 610,515.20 and 261,137.58

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Solution

The fourth proportional to 442,516.43, 610,515.20 and 261,137.58 is: 360,276.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,516.43 : 610,515.20 = 261,137.58 : x
  2. Step 2: Convert to fraction form
    442,516.43/610,515.20 = 261,137.58/x
  3. Step 3: Cross multiply
    442,516.43x = 610,515.20 × 261,137.58
  4. Step 4: Simplify right side
    442,516.43x = 159,428,460,575.53
  5. Step 5: Solve for x
    x = 159,428,460,575.53/442,516.43
  6. Step 6: Final answer
    x = 360,276.93

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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.