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Finding the Fourth Proportional to 490,008.42, 734,881.41 and 134,938.04

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Solution

The fourth proportional to 490,008.42, 734,881.41 and 134,938.04 is: 202,370.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,008.42 : 734,881.41 = 134,938.04 : x
  2. Step 2: Convert to fraction form
    490,008.42/734,881.41 = 134,938.04/x
  3. Step 3: Cross multiply
    490,008.42x = 734,881.41 × 134,938.04
  4. Step 4: Simplify right side
    490,008.42x = 99,163,453,423.43
  5. Step 5: Solve for x
    x = 99,163,453,423.43/490,008.42
  6. Step 6: Final answer
    x = 202,370.92

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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.