Home / 219,843-329,788.40-70,048.08

Finding the Fourth Proportional to 219,843, 329,788.40 and 70,048.08

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Solution

The fourth proportional to 219,843, 329,788.40 and 70,048.08 is: 105,079.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,843 : 329,788.40 = 70,048.08 : x
  2. Step 2: Convert to fraction form
    219,843/329,788.40 = 70,048.08/x
  3. Step 3: Cross multiply
    219,843x = 329,788.40 × 70,048.08
  4. Step 4: Simplify right side
    219,843x = 23,101,044,226.27
  5. Step 5: Solve for x
    x = 23,101,044,226.27/219,843
  6. Step 6: Final answer
    x = 105,079.74

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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.