Home / 505,766.38-758,762.55-190,226.02

Finding the Fourth Proportional to 505,766.38, 758,762.55 and 190,226.02

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Solution

The fourth proportional to 505,766.38, 758,762.55 and 190,226.02 is: 285,381.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,766.38 : 758,762.55 = 190,226.02 : x
  2. Step 2: Convert to fraction form
    505,766.38/758,762.55 = 190,226.02/x
  3. Step 3: Cross multiply
    505,766.38x = 758,762.55 × 190,226.02
  4. Step 4: Simplify right side
    505,766.38x = 144,336,380,011.55
  5. Step 5: Solve for x
    x = 144,336,380,011.55/505,766.38
  6. Step 6: Final answer
    x = 285,381.52

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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.