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Finding the Fourth Proportional to 427,364.35, 589,792.21 and 246,124.01

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Solution

The fourth proportional to 427,364.35, 589,792.21 and 246,124.01 is: 339,668.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,364.35 : 589,792.21 = 246,124.01 : x
  2. Step 2: Convert to fraction form
    427,364.35/589,792.21 = 246,124.01/x
  3. Step 3: Cross multiply
    427,364.35x = 589,792.21 × 246,124.01
  4. Step 4: Simplify right side
    427,364.35x = 145,162,023,791.96
  5. Step 5: Solve for x
    x = 145,162,023,791.96/427,364.35
  6. Step 6: Final answer
    x = 339,668.07

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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.