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Finding the Fourth Proportional to 490,614.48, 736,232.76 and 266,127.84

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Solution

The fourth proportional to 490,614.48, 736,232.76 and 266,127.84 is: 399,360.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,614.48 : 736,232.76 = 266,127.84 : x
  2. Step 2: Convert to fraction form
    490,614.48/736,232.76 = 266,127.84/x
  3. Step 3: Cross multiply
    490,614.48x = 736,232.76 × 266,127.84
  4. Step 4: Simplify right side
    490,614.48x = 195,932,034,156.04
  5. Step 5: Solve for x
    x = 195,932,034,156.04/490,614.48
  6. Step 6: Final answer
    x = 399,360.48

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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.