Home / 505,619.94-758,136.36-239,378.16

Finding the Fourth Proportional to 505,619.94, 758,136.36 and 239,378.16

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Solution

The fourth proportional to 505,619.94, 758,136.36 and 239,378.16 is: 358,928.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,619.94 : 758,136.36 = 239,378.16 : x
  2. Step 2: Convert to fraction form
    505,619.94/758,136.36 = 239,378.16/x
  3. Step 3: Cross multiply
    505,619.94x = 758,136.36 × 239,378.16
  4. Step 4: Simplify right side
    505,619.94x = 181,481,286,885.90
  5. Step 5: Solve for x
    x = 181,481,286,885.90/505,619.94
  6. Step 6: Final answer
    x = 358,928.26

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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.