Home / 490,278.45-735,460.07-135,292.49

Finding the Fourth Proportional to 490,278.45, 735,460.07 and 135,292.49

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Solution

The fourth proportional to 490,278.45, 735,460.07 and 135,292.49 is: 202,950.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,278.45 : 735,460.07 = 135,292.49 : x
  2. Step 2: Convert to fraction form
    490,278.45/735,460.07 = 135,292.49/x
  3. Step 3: Cross multiply
    490,278.45x = 735,460.07 × 135,292.49
  4. Step 4: Simplify right side
    490,278.45x = 99,502,219,812.11
  5. Step 5: Solve for x
    x = 99,502,219,812.11/490,278.45
  6. Step 6: Final answer
    x = 202,950.43

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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.