Home / 356,283.12-491,434.16-229,119.60

Finding the Fourth Proportional to 356,283.12, 491,434.16 and 229,119.60

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Solution

The fourth proportional to 356,283.12, 491,434.16 and 229,119.60 is: 316,032.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,283.12 : 491,434.16 = 229,119.60 : x
  2. Step 2: Convert to fraction form
    356,283.12/491,434.16 = 229,119.60/x
  3. Step 3: Cross multiply
    356,283.12x = 491,434.16 × 229,119.60
  4. Step 4: Simplify right side
    356,283.12x = 112,597,198,165.54
  5. Step 5: Solve for x
    x = 112,597,198,165.54/356,283.12
  6. Step 6: Final answer
    x = 316,032.93

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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.