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Finding the Fourth Proportional to 400,707.39, 600,106.96 and 231,871.89

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Solution

The fourth proportional to 400,707.39, 600,106.96 and 231,871.89 is: 347,255.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,707.39 : 600,106.96 = 231,871.89 : x
  2. Step 2: Convert to fraction form
    400,707.39/600,106.96 = 231,871.89/x
  3. Step 3: Cross multiply
    400,707.39x = 600,106.96 × 231,871.89
  4. Step 4: Simplify right side
    400,707.39x = 139,147,935,017.35
  5. Step 5: Solve for x
    x = 139,147,935,017.35/400,707.39
  6. Step 6: Final answer
    x = 347,255.72

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1.5x scale

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.