Home / 219,005.40-329,199.30-202,416.60

Finding the Fourth Proportional to 219,005.40, 329,199.30 and 202,416.60

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Solution

The fourth proportional to 219,005.40, 329,199.30 and 202,416.60 is: 304,263.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,005.40 : 329,199.30 = 202,416.60 : x
  2. Step 2: Convert to fraction form
    219,005.40/329,199.30 = 202,416.60/x
  3. Step 3: Cross multiply
    219,005.40x = 329,199.30 × 202,416.60
  4. Step 4: Simplify right side
    219,005.40x = 66,635,403,028.38
  5. Step 5: Solve for x
    x = 66,635,403,028.38/219,005.40
  6. Step 6: Final answer
    x = 304,263.74

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1.5x scale

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.