Home / 356,623.24-492,190.47-220,700.95

Finding the Fourth Proportional to 356,623.24, 492,190.47 and 220,700.95

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Solution

The fourth proportional to 356,623.24, 492,190.47 and 220,700.95 is: 304,598.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,623.24 : 492,190.47 = 220,700.95 : x
  2. Step 2: Convert to fraction form
    356,623.24/492,190.47 = 220,700.95/x
  3. Step 3: Cross multiply
    356,623.24x = 492,190.47 × 220,700.95
  4. Step 4: Simplify right side
    356,623.24x = 108,626,904,309.95
  5. Step 5: Solve for x
    x = 108,626,904,309.95/356,623.24
  6. Step 6: Final answer
    x = 304,598.50

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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.