Home / 355,815.37-491,054.16-202,901.14

Finding the Fourth Proportional to 355,815.37, 491,054.16 and 202,901.14

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Solution

The fourth proportional to 355,815.37, 491,054.16 and 202,901.14 is: 280,020.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,815.37 : 491,054.16 = 202,901.14 : x
  2. Step 2: Convert to fraction form
    355,815.37/491,054.16 = 202,901.14/x
  3. Step 3: Cross multiply
    355,815.37x = 491,054.16 × 202,901.14
  4. Step 4: Simplify right side
    355,815.37x = 99,635,448,865.74
  5. Step 5: Solve for x
    x = 99,635,448,865.74/355,815.37
  6. Step 6: Final answer
    x = 280,020.08

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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.