Home / 605,043.12-907,360.40-225,885.36

Finding the Fourth Proportional to 605,043.12, 907,360.40 and 225,885.36

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Solution

The fourth proportional to 605,043.12, 907,360.40 and 225,885.36 is: 338,751.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,043.12 : 907,360.40 = 225,885.36 : x
  2. Step 2: Convert to fraction form
    605,043.12/907,360.40 = 225,885.36/x
  3. Step 3: Cross multiply
    605,043.12x = 907,360.40 × 225,885.36
  4. Step 4: Simplify right side
    605,043.12x = 204,959,430,603.74
  5. Step 5: Solve for x
    x = 204,959,430,603.74/605,043.12
  6. Step 6: Final answer
    x = 338,751.77

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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.