Home / 490,739.39-736,109.25-153,806.18

Finding the Fourth Proportional to 490,739.39, 736,109.25 and 153,806.18

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Solution

The fourth proportional to 490,739.39, 736,109.25 and 153,806.18 is: 230,709.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,739.39 : 736,109.25 = 153,806.18 : x
  2. Step 2: Convert to fraction form
    490,739.39/736,109.25 = 153,806.18/x
  3. Step 3: Cross multiply
    490,739.39x = 736,109.25 × 153,806.18
  4. Step 4: Simplify right side
    490,739.39x = 113,218,151,805.17
  5. Step 5: Solve for x
    x = 113,218,151,805.17/490,739.39
  6. Step 6: Final answer
    x = 230,709.32

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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.