Home / 505,278.84-757,260.12-205,409.16

Finding the Fourth Proportional to 505,278.84, 757,260.12 and 205,409.16

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Solution

The fourth proportional to 505,278.84, 757,260.12 and 205,409.16 is: 307,846.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,278.84 : 757,260.12 = 205,409.16 : x
  2. Step 2: Convert to fraction form
    505,278.84/757,260.12 = 205,409.16/x
  3. Step 3: Cross multiply
    505,278.84x = 757,260.12 × 205,409.16
  4. Step 4: Simplify right side
    505,278.84x = 155,548,165,150.70
  5. Step 5: Solve for x
    x = 155,548,165,150.70/505,278.84
  6. Step 6: Final answer
    x = 307,846.19

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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.