Home / 490,868.12-736,119.87-170,937.83

Finding the Fourth Proportional to 490,868.12, 736,119.87 and 170,937.83

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Solution

The fourth proportional to 490,868.12, 736,119.87 and 170,937.83 is: 256,343.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,868.12 : 736,119.87 = 170,937.83 : x
  2. Step 2: Convert to fraction form
    490,868.12/736,119.87 = 170,937.83/x
  3. Step 3: Cross multiply
    490,868.12x = 736,119.87 × 170,937.83
  4. Step 4: Simplify right side
    490,868.12x = 125,830,733,197.68
  5. Step 5: Solve for x
    x = 125,830,733,197.68/490,868.12
  6. Step 6: Final answer
    x = 256,343.26

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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.