Home / 402,896.02-555,957.92-221,605.06

Finding the Fourth Proportional to 402,896.02, 555,957.92 and 221,605.06

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Solution

The fourth proportional to 402,896.02, 555,957.92 and 221,605.06 is: 305,793.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,896.02 : 555,957.92 = 221,605.06 : x
  2. Step 2: Convert to fraction form
    402,896.02/555,957.92 = 221,605.06/x
  3. Step 3: Cross multiply
    402,896.02x = 555,957.92 × 221,605.06
  4. Step 4: Simplify right side
    402,896.02x = 123,203,088,219.08
  5. Step 5: Solve for x
    x = 123,203,088,219.08/402,896.02
  6. Step 6: Final answer
    x = 305,793.76

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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.