Home / 490,806.23-736,187.93-153,839.20

Finding the Fourth Proportional to 490,806.23, 736,187.93 and 153,839.20

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Solution

The fourth proportional to 490,806.23, 736,187.93 and 153,839.20 is: 230,752.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,806.23 : 736,187.93 = 153,839.20 : x
  2. Step 2: Convert to fraction form
    490,806.23/736,187.93 = 153,839.20/x
  3. Step 3: Cross multiply
    490,806.23x = 736,187.93 × 153,839.20
  4. Step 4: Simplify right side
    490,806.23x = 113,254,558,519.92
  5. Step 5: Solve for x
    x = 113,254,558,519.92/490,806.23
  6. Step 6: Final answer
    x = 230,752.08

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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.