Home / 505,548.48-758,464.44-221,263.80

Finding the Fourth Proportional to 505,548.48, 758,464.44 and 221,263.80

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Solution

The fourth proportional to 505,548.48, 758,464.44 and 221,263.80 is: 331,957.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,548.48 : 758,464.44 = 221,263.80 : x
  2. Step 2: Convert to fraction form
    505,548.48/758,464.44 = 221,263.80/x
  3. Step 3: Cross multiply
    505,548.48x = 758,464.44 × 221,263.80
  4. Step 4: Simplify right side
    505,548.48x = 167,820,724,159.27
  5. Step 5: Solve for x
    x = 167,820,724,159.27/505,548.48
  6. Step 6: Final answer
    x = 331,957.73

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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.