Home / 387,833.24-534,768.60-273,075.20

Finding the Fourth Proportional to 387,833.24, 534,768.60 and 273,075.20

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Solution

The fourth proportional to 387,833.24, 534,768.60 and 273,075.20 is: 376,533.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,833.24 : 534,768.60 = 273,075.20 : x
  2. Step 2: Convert to fraction form
    387,833.24/534,768.60 = 273,075.20/x
  3. Step 3: Cross multiply
    387,833.24x = 534,768.60 × 273,075.20
  4. Step 4: Simplify right side
    387,833.24x = 146,032,042,398.72
  5. Step 5: Solve for x
    x = 146,032,042,398.72/387,833.24
  6. Step 6: Final answer
    x = 376,533.07

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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.