Home / 841,218.69-1,261,639.39-242,046.30

Finding the Fourth Proportional to 841,218.69, 1,261,639.39 and 242,046.30

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Solution

The fourth proportional to 841,218.69, 1,261,639.39 and 242,046.30 is: 363,015.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,218.69 : 1,261,639.39 = 242,046.30 : x
  2. Step 2: Convert to fraction form
    841,218.69/1,261,639.39 = 242,046.30/x
  3. Step 3: Cross multiply
    841,218.69x = 1,261,639.39 × 242,046.30
  4. Step 4: Simplify right side
    841,218.69x = 305,375,146,283.76
  5. Step 5: Solve for x
    x = 305,375,146,283.76/841,218.69
  6. Step 6: Final answer
    x = 363,015.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.