Home / 490,727.20-736,090.80-158,303.20

Finding the Fourth Proportional to 490,727.20, 736,090.80 and 158,303.20

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Solution

The fourth proportional to 490,727.20, 736,090.80 and 158,303.20 is: 237,454.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,727.20 : 736,090.80 = 158,303.20 : x
  2. Step 2: Convert to fraction form
    490,727.20/736,090.80 = 158,303.20/x
  3. Step 3: Cross multiply
    490,727.20x = 736,090.80 × 158,303.20
  4. Step 4: Simplify right side
    490,727.20x = 116,525,529,130.56
  5. Step 5: Solve for x
    x = 116,525,529,130.56/490,727.20
  6. Step 6: Final answer
    x = 237,454.80

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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.