Home / 342,546.33-513,868.73-105,907.46

Finding the Fourth Proportional to 342,546.33, 513,868.73 and 105,907.46

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Solution

The fourth proportional to 342,546.33, 513,868.73 and 105,907.46 is: 158,876.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,546.33 : 513,868.73 = 105,907.46 : x
  2. Step 2: Convert to fraction form
    342,546.33/513,868.73 = 105,907.46/x
  3. Step 3: Cross multiply
    342,546.33x = 513,868.73 × 105,907.46
  4. Step 4: Simplify right side
    342,546.33x = 54,422,528,868.84
  5. Step 5: Solve for x
    x = 54,422,528,868.84/342,546.33
  6. Step 6: Final answer
    x = 158,876.40

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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.