Home / 219,067.70-328,601.55-144,272.30

Finding the Fourth Proportional to 219,067.70, 328,601.55 and 144,272.30

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Solution

The fourth proportional to 219,067.70, 328,601.55 and 144,272.30 is: 216,408.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,067.70 : 328,601.55 = 144,272.30 : x
  2. Step 2: Convert to fraction form
    219,067.70/328,601.55 = 144,272.30/x
  3. Step 3: Cross multiply
    219,067.70x = 328,601.55 × 144,272.30
  4. Step 4: Simplify right side
    219,067.70x = 47,408,101,402.07
  5. Step 5: Solve for x
    x = 47,408,101,402.07/219,067.70
  6. Step 6: Final answer
    x = 216,408.45

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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.