Home / 356,608.03-492,169.54-220,685.76

Finding the Fourth Proportional to 356,608.03, 492,169.54 and 220,685.76

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Solution

The fourth proportional to 356,608.03, 492,169.54 and 220,685.76 is: 304,577.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,608.03 : 492,169.54 = 220,685.76 : x
  2. Step 2: Convert to fraction form
    356,608.03/492,169.54 = 220,685.76/x
  3. Step 3: Cross multiply
    356,608.03x = 492,169.54 × 220,685.76
  4. Step 4: Simplify right side
    356,608.03x = 108,614,808,983.75
  5. Step 5: Solve for x
    x = 108,614,808,983.75/356,608.03
  6. Step 6: Final answer
    x = 304,577.57

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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.