Home / 516,914.37-775,284.03-142,849.89

Finding the Fourth Proportional to 516,914.37, 775,284.03 and 142,849.89

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Solution

The fourth proportional to 516,914.37, 775,284.03 and 142,849.89 is: 214,250.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,914.37 : 775,284.03 = 142,849.89 : x
  2. Step 2: Convert to fraction form
    516,914.37/775,284.03 = 142,849.89/x
  3. Step 3: Cross multiply
    516,914.37x = 775,284.03 × 142,849.89
  4. Step 4: Simplify right side
    516,914.37x = 110,749,238,404.26
  5. Step 5: Solve for x
    x = 110,749,238,404.26/516,914.37
  6. Step 6: Final answer
    x = 214,250.65

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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.