Home / 387,600.06-534,767.85-226,338.78

Finding the Fourth Proportional to 387,600.06, 534,767.85 and 226,338.78

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Solution

The fourth proportional to 387,600.06, 534,767.85 and 226,338.78 is: 312,277.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,600.06 : 534,767.85 = 226,338.78 : x
  2. Step 2: Convert to fraction form
    387,600.06/534,767.85 = 226,338.78/x
  3. Step 3: Cross multiply
    387,600.06x = 534,767.85 × 226,338.78
  4. Step 4: Simplify right side
    387,600.06x = 121,038,702,752.22
  5. Step 5: Solve for x
    x = 121,038,702,752.22/387,600.06
  6. Step 6: Final answer
    x = 312,277.31

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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.