Home / 490,051.38-734,944.32-134,980.95

Finding the Fourth Proportional to 490,051.38, 734,944.32 and 134,980.95

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Solution

The fourth proportional to 490,051.38, 734,944.32 and 134,980.95 is: 202,434.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,051.38 : 734,944.32 = 134,980.95 : x
  2. Step 2: Convert to fraction form
    490,051.38/734,944.32 = 134,980.95/x
  3. Step 3: Cross multiply
    490,051.38x = 734,944.32 × 134,980.95
  4. Step 4: Simplify right side
    490,051.38x = 99,203,482,510.70
  5. Step 5: Solve for x
    x = 99,203,482,510.70/490,051.38
  6. Step 6: Final answer
    x = 202,434.86

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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.