Home / 220,459.08-304,231.86-119,857.80

Finding the Fourth Proportional to 220,459.08, 304,231.86 and 119,857.80

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Solution

The fourth proportional to 220,459.08, 304,231.86 and 119,857.80 is: 165,402.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,459.08 : 304,231.86 = 119,857.80 : x
  2. Step 2: Convert to fraction form
    220,459.08/304,231.86 = 119,857.80/x
  3. Step 3: Cross multiply
    220,459.08x = 304,231.86 × 119,857.80
  4. Step 4: Simplify right side
    220,459.08x = 36,464,561,429.51
  5. Step 5: Solve for x
    x = 36,464,561,429.51/220,459.08
  6. Step 6: Final answer
    x = 165,402.86

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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.