Home / 356,825.24-492,384.38-213,582.21

Finding the Fourth Proportional to 356,825.24, 492,384.38 and 213,582.21

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Solution

The fourth proportional to 356,825.24, 492,384.38 and 213,582.21 is: 294,722.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,825.24 : 492,384.38 = 213,582.21 : x
  2. Step 2: Convert to fraction form
    356,825.24/492,384.38 = 213,582.21/x
  3. Step 3: Cross multiply
    356,825.24x = 492,384.38 × 213,582.21
  4. Step 4: Simplify right side
    356,825.24x = 105,164,544,049.88
  5. Step 5: Solve for x
    x = 105,164,544,049.88/356,825.24
  6. Step 6: Final answer
    x = 294,722.83

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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.