Home / 219,101.36-328,818.29-147,855.38

Finding the Fourth Proportional to 219,101.36, 328,818.29 and 147,855.38

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Solution

The fourth proportional to 219,101.36, 328,818.29 and 147,855.38 is: 221,895.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,101.36 : 328,818.29 = 147,855.38 : x
  2. Step 2: Convert to fraction form
    219,101.36/328,818.29 = 147,855.38/x
  3. Step 3: Cross multiply
    219,101.36x = 328,818.29 × 147,855.38
  4. Step 4: Simplify right side
    219,101.36x = 48,617,550,835.53
  5. Step 5: Solve for x
    x = 48,617,550,835.53/219,101.36
  6. Step 6: Final answer
    x = 221,895.25

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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.