Home / 490,980.06-736,143.84-191,488.62

Finding the Fourth Proportional to 490,980.06, 736,143.84 and 191,488.62

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Solution

The fourth proportional to 490,980.06, 736,143.84 and 191,488.62 is: 287,105.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,980.06 : 736,143.84 = 191,488.62 : x
  2. Step 2: Convert to fraction form
    490,980.06/736,143.84 = 191,488.62/x
  3. Step 3: Cross multiply
    490,980.06x = 736,143.84 × 191,488.62
  4. Step 4: Simplify right side
    490,980.06x = 140,963,168,043.10
  5. Step 5: Solve for x
    x = 140,963,168,043.10/490,980.06
  6. Step 6: Final answer
    x = 287,105.69

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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.