Home / 387,835.24-534,771.36-273,077.20

Finding the Fourth Proportional to 387,835.24, 534,771.36 and 273,077.20

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Solution

The fourth proportional to 387,835.24, 534,771.36 and 273,077.20 is: 376,535.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,835.24 : 534,771.36 = 273,077.20 : x
  2. Step 2: Convert to fraction form
    387,835.24/534,771.36 = 273,077.20/x
  3. Step 3: Cross multiply
    387,835.24x = 534,771.36 × 273,077.20
  4. Step 4: Simplify right side
    387,835.24x = 146,033,865,628.99
  5. Step 5: Solve for x
    x = 146,033,865,628.99/387,835.24
  6. Step 6: Final answer
    x = 376,535.83

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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.