Home / 219,161.44-328,467.72-117,710.18

Finding the Fourth Proportional to 219,161.44, 328,467.72 and 117,710.18

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Solution

The fourth proportional to 219,161.44, 328,467.72 and 117,710.18 is: 176,417.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,161.44 : 328,467.72 = 117,710.18 : x
  2. Step 2: Convert to fraction form
    219,161.44/328,467.72 = 117,710.18/x
  3. Step 3: Cross multiply
    219,161.44x = 328,467.72 × 117,710.18
  4. Step 4: Simplify right side
    219,161.44x = 38,663,994,445.39
  5. Step 5: Solve for x
    x = 38,663,994,445.39/219,161.44
  6. Step 6: Final answer
    x = 176,417.87

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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.