Home / 320,218.36-480,337.26-109,853.24

Finding the Fourth Proportional to 320,218.36, 480,337.26 and 109,853.24

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Solution

The fourth proportional to 320,218.36, 480,337.26 and 109,853.24 is: 164,783.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,218.36 : 480,337.26 = 109,853.24 : x
  2. Step 2: Convert to fraction form
    320,218.36/480,337.26 = 109,853.24/x
  3. Step 3: Cross multiply
    320,218.36x = 480,337.26 × 109,853.24
  4. Step 4: Simplify right side
    320,218.36x = 52,766,604,303.72
  5. Step 5: Solve for x
    x = 52,766,604,303.72/320,218.36
  6. Step 6: Final answer
    x = 164,783.19

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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.