Home / 291,815.40-437,382.90-134,059.80

Finding the Fourth Proportional to 291,815.40, 437,382.90 and 134,059.80

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Solution

The fourth proportional to 291,815.40, 437,382.90 and 134,059.80 is: 200,933.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,815.40 : 437,382.90 = 134,059.80 : x
  2. Step 2: Convert to fraction form
    291,815.40/437,382.90 = 134,059.80/x
  3. Step 3: Cross multiply
    291,815.40x = 437,382.90 × 134,059.80
  4. Step 4: Simplify right side
    291,815.40x = 58,635,464,097.42
  5. Step 5: Solve for x
    x = 58,635,464,097.42/291,815.40
  6. Step 6: Final answer
    x = 200,933.41

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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.