Home / 387,798.80-534,987.41-226,581.35

Finding the Fourth Proportional to 387,798.80, 534,987.41 and 226,581.35

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Solution

The fourth proportional to 387,798.80, 534,987.41 and 226,581.35 is: 312,580.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,798.80 : 534,987.41 = 226,581.35 : x
  2. Step 2: Convert to fraction form
    387,798.80/534,987.41 = 226,581.35/x
  3. Step 3: Cross multiply
    387,798.80x = 534,987.41 × 226,581.35
  4. Step 4: Simplify right side
    387,798.80x = 121,218,165,782.96
  5. Step 5: Solve for x
    x = 121,218,165,782.96/387,798.80
  6. Step 6: Final answer
    x = 312,580.05

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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.