Home / 250,771.38-346,064.46-143,343.72

Finding the Fourth Proportional to 250,771.38, 346,064.46 and 143,343.72

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Solution

The fourth proportional to 250,771.38, 346,064.46 and 143,343.72 is: 197,814.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,771.38 : 346,064.46 = 143,343.72 : x
  2. Step 2: Convert to fraction form
    250,771.38/346,064.46 = 143,343.72/x
  3. Step 3: Cross multiply
    250,771.38x = 346,064.46 × 143,343.72
  4. Step 4: Simplify right side
    250,771.38x = 49,606,167,056.19
  5. Step 5: Solve for x
    x = 49,606,167,056.19/250,771.38
  6. Step 6: Final answer
    x = 197,814.31

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1.5x scale

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.