Home / 356,623.88-492,191.37-220,701.62

Finding the Fourth Proportional to 356,623.88, 492,191.37 and 220,701.62

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Solution

The fourth proportional to 356,623.88, 492,191.37 and 220,701.62 is: 304,599.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,623.88 : 492,191.37 = 220,701.62 : x
  2. Step 2: Convert to fraction form
    356,623.88/492,191.37 = 220,701.62/x
  3. Step 3: Cross multiply
    356,623.88x = 492,191.37 × 220,701.62
  4. Step 4: Simplify right side
    356,623.88x = 108,627,431,605.51
  5. Step 5: Solve for x
    x = 108,627,431,605.51/356,623.88
  6. Step 6: Final answer
    x = 304,599.44

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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.