Home / 211,222.52-291,487.02-115,732.84

Finding the Fourth Proportional to 211,222.52, 291,487.02 and 115,732.84

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Solution

The fourth proportional to 211,222.52, 291,487.02 and 115,732.84 is: 159,711.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,222.52 : 291,487.02 = 115,732.84 : x
  2. Step 2: Convert to fraction form
    211,222.52/291,487.02 = 115,732.84/x
  3. Step 3: Cross multiply
    211,222.52x = 291,487.02 × 115,732.84
  4. Step 4: Simplify right side
    211,222.52x = 33,734,620,647.74
  5. Step 5: Solve for x
    x = 33,734,620,647.74/211,222.52
  6. Step 6: Final answer
    x = 159,711.29

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1.5x scale

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.