Home / 409,947.40-565,729.49-226,192.31

Finding the Fourth Proportional to 409,947.40, 565,729.49 and 226,192.31

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Solution

The fourth proportional to 409,947.40, 565,729.49 and 226,192.31 is: 312,146.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,947.40 : 565,729.49 = 226,192.31 : x
  2. Step 2: Convert to fraction form
    409,947.40/565,729.49 = 226,192.31/x
  3. Step 3: Cross multiply
    409,947.40x = 565,729.49 × 226,192.31
  4. Step 4: Simplify right side
    409,947.40x = 127,963,660,461.58
  5. Step 5: Solve for x
    x = 127,963,660,461.58/409,947.40
  6. Step 6: Final answer
    x = 312,146.54

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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.