Home / 211,400.98-291,731.13-115,907.44

Finding the Fourth Proportional to 211,400.98, 291,731.13 and 115,907.44

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Solution

The fourth proportional to 211,400.98, 291,731.13 and 115,907.44 is: 159,951.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,400.98 : 291,731.13 = 115,907.44 : x
  2. Step 2: Convert to fraction form
    211,400.98/291,731.13 = 115,907.44/x
  3. Step 3: Cross multiply
    211,400.98x = 291,731.13 × 115,907.44
  4. Step 4: Simplify right side
    211,400.98x = 33,813,808,446.61
  5. Step 5: Solve for x
    x = 33,813,808,446.61/211,400.98
  6. Step 6: Final answer
    x = 159,951.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.