Home / 402,772.03-555,810.46-221,473.17

Finding the Fourth Proportional to 402,772.03, 555,810.46 and 221,473.17

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Solution

The fourth proportional to 402,772.03, 555,810.46 and 221,473.17 is: 305,624.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,772.03 : 555,810.46 = 221,473.17 : x
  2. Step 2: Convert to fraction form
    402,772.03/555,810.46 = 221,473.17/x
  3. Step 3: Cross multiply
    402,772.03x = 555,810.46 × 221,473.17
  4. Step 4: Simplify right side
    402,772.03x = 123,097,103,941.68
  5. Step 5: Solve for x
    x = 123,097,103,941.68/402,772.03
  6. Step 6: Final answer
    x = 305,624.76

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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.