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Finding the Fourth Proportional to 477,959.05, 659,583.30 and 263,098

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Solution

The fourth proportional to 477,959.05, 659,583.30 and 263,098 is: 363,075.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,959.05 : 659,583.30 = 263,098 : x
  2. Step 2: Convert to fraction form
    477,959.05/659,583.30 = 263,098/x
  3. Step 3: Cross multiply
    477,959.05x = 659,583.30 × 263,098
  4. Step 4: Simplify right side
    477,959.05x = 173,535,047,063.40
  5. Step 5: Solve for x
    x = 173,535,047,063.40/477,959.05
  6. Step 6: Final answer
    x = 363,075.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.