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Finding the Fourth Proportional to 364,858.80, 546,121.80 and 259,882.80

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Solution

The fourth proportional to 364,858.80, 546,121.80 and 259,882.80 is: 388,993.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,858.80 : 546,121.80 = 259,882.80 : x
  2. Step 2: Convert to fraction form
    364,858.80/546,121.80 = 259,882.80/x
  3. Step 3: Cross multiply
    364,858.80x = 546,121.80 × 259,882.80
  4. Step 4: Simplify right side
    364,858.80x = 141,927,662,525.04
  5. Step 5: Solve for x
    x = 141,927,662,525.04/364,858.80
  6. Step 6: Final answer
    x = 388,993.39

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1.5x scale

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.