Home / 250,491.69-375,657.35-81,966.33

Finding the Fourth Proportional to 250,491.69, 375,657.35 and 81,966.33

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Solution

The fourth proportional to 250,491.69, 375,657.35 and 81,966.33 is: 122,923.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,491.69 : 375,657.35 = 81,966.33 : x
  2. Step 2: Convert to fraction form
    250,491.69/375,657.35 = 81,966.33/x
  3. Step 3: Cross multiply
    250,491.69x = 375,657.35 × 81,966.33
  4. Step 4: Simplify right side
    250,491.69x = 30,791,253,907.19
  5. Step 5: Solve for x
    x = 30,791,253,907.19/250,491.69
  6. Step 6: Final answer
    x = 122,923.26

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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.