Home / 210,901.88-317,819.98-190,917.44

Finding the Fourth Proportional to 210,901.88, 317,819.98 and 190,917.44

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Solution

The fourth proportional to 210,901.88, 317,819.98 and 190,917.44 is: 287,704.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,901.88 : 317,819.98 = 190,917.44 : x
  2. Step 2: Convert to fraction form
    210,901.88/317,819.98 = 190,917.44/x
  3. Step 3: Cross multiply
    210,901.88x = 317,819.98 × 190,917.44
  4. Step 4: Simplify right side
    210,901.88x = 60,677,376,962.45
  5. Step 5: Solve for x
    x = 60,677,376,962.45/210,901.88
  6. Step 6: Final answer
    x = 287,704.30

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.