Home / 350,357.88-525,929.94-140,142.36

Finding the Fourth Proportional to 350,357.88, 525,929.94 and 140,142.36

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Solution

The fourth proportional to 350,357.88, 525,929.94 and 140,142.36 is: 210,370.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,357.88 : 525,929.94 = 140,142.36 : x
  2. Step 2: Convert to fraction form
    350,357.88/525,929.94 = 140,142.36/x
  3. Step 3: Cross multiply
    350,357.88x = 525,929.94 × 140,142.36
  4. Step 4: Simplify right side
    350,357.88x = 73,705,062,986.26
  5. Step 5: Solve for x
    x = 73,705,062,986.26/350,357.88
  6. Step 6: Final answer
    x = 210,370.79

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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.