Home / 221,001.09-304,901.50-144,563.82

Finding the Fourth Proportional to 221,001.09, 304,901.50 and 144,563.82

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Solution

The fourth proportional to 221,001.09, 304,901.50 and 144,563.82 is: 199,445.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,001.09 : 304,901.50 = 144,563.82 : x
  2. Step 2: Convert to fraction form
    221,001.09/304,901.50 = 144,563.82/x
  3. Step 3: Cross multiply
    221,001.09x = 304,901.50 × 144,563.82
  4. Step 4: Simplify right side
    221,001.09x = 44,077,725,563.73
  5. Step 5: Solve for x
    x = 44,077,725,563.73/221,001.09
  6. Step 6: Final answer
    x = 199,445.74

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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.