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Finding the Fourth Proportional to 479,615.91, 661,870.08 and 264,756.12

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Solution

The fourth proportional to 479,615.91, 661,870.08 and 264,756.12 is: 365,363.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,615.91 : 661,870.08 = 264,756.12 : x
  2. Step 2: Convert to fraction form
    479,615.91/661,870.08 = 264,756.12/x
  3. Step 3: Cross multiply
    479,615.91x = 661,870.08 × 264,756.12
  4. Step 4: Simplify right side
    479,615.91x = 175,234,154,324.89
  5. Step 5: Solve for x
    x = 175,234,154,324.89/479,615.91
  6. Step 6: Final answer
    x = 365,363.51

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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.