Home / 356,092.08-491,328.49-210,825.73

Finding the Fourth Proportional to 356,092.08, 491,328.49 and 210,825.73

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Solution

The fourth proportional to 356,092.08, 491,328.49 and 210,825.73 is: 290,892.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,092.08 : 491,328.49 = 210,825.73 : x
  2. Step 2: Convert to fraction form
    356,092.08/491,328.49 = 210,825.73/x
  3. Step 3: Cross multiply
    356,092.08x = 491,328.49 × 210,825.73
  4. Step 4: Simplify right side
    356,092.08x = 103,584,687,574.05
  5. Step 5: Solve for x
    x = 103,584,687,574.05/356,092.08
  6. Step 6: Final answer
    x = 290,892.98

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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.