Home / 505,260.08-757,231.98-205,390.38

Finding the Fourth Proportional to 505,260.08, 757,231.98 and 205,390.38

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Solution

The fourth proportional to 505,260.08, 757,231.98 and 205,390.38 is: 307,818.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,260.08 : 757,231.98 = 205,390.38 : x
  2. Step 2: Convert to fraction form
    505,260.08/757,231.98 = 205,390.38/x
  3. Step 3: Cross multiply
    505,260.08x = 757,231.98 × 205,390.38
  4. Step 4: Simplify right side
    505,260.08x = 155,528,164,120.35
  5. Step 5: Solve for x
    x = 155,528,164,120.35/505,260.08
  6. Step 6: Final answer
    x = 307,818.04

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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.