Home / 211,065.15-291,270.38-114,270.03

Finding the Fourth Proportional to 211,065.15, 291,270.38 and 114,270.03

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Solution

The fourth proportional to 211,065.15, 291,270.38 and 114,270.03 is: 157,692.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,065.15 : 291,270.38 = 114,270.03 : x
  2. Step 2: Convert to fraction form
    211,065.15/291,270.38 = 114,270.03/x
  3. Step 3: Cross multiply
    211,065.15x = 291,270.38 × 114,270.03
  4. Step 4: Simplify right side
    211,065.15x = 33,283,475,060.71
  5. Step 5: Solve for x
    x = 33,283,475,060.71/211,065.15
  6. Step 6: Final answer
    x = 157,692.90

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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.