Home / 211,222.59-291,476.02-120,574.95

Finding the Fourth Proportional to 211,222.59, 291,476.02 and 120,574.95

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Solution

The fourth proportional to 211,222.59, 291,476.02 and 120,574.95 is: 166,387.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,222.59 : 291,476.02 = 120,574.95 : x
  2. Step 2: Convert to fraction form
    211,222.59/291,476.02 = 120,574.95/x
  3. Step 3: Cross multiply
    211,222.59x = 291,476.02 × 120,574.95
  4. Step 4: Simplify right side
    211,222.59x = 35,144,706,537.70
  5. Step 5: Solve for x
    x = 35,144,706,537.70/211,222.59
  6. Step 6: Final answer
    x = 166,387.06

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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.