Home / 250,220.07-375,172.43-212,282.60

Finding the Fourth Proportional to 250,220.07, 375,172.43 and 212,282.60

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Solution

The fourth proportional to 250,220.07, 375,172.43 and 212,282.60 is: 318,290.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,220.07 : 375,172.43 = 212,282.60 : x
  2. Step 2: Convert to fraction form
    250,220.07/375,172.43 = 212,282.60/x
  3. Step 3: Cross multiply
    250,220.07x = 375,172.43 × 212,282.60
  4. Step 4: Simplify right side
    250,220.07x = 79,642,575,951.44
  5. Step 5: Solve for x
    x = 79,642,575,951.44/250,220.07
  6. Step 6: Final answer
    x = 318,290.12

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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.