Home / 751,153.92-1,126,732.80-190,188.48

Finding the Fourth Proportional to 751,153.92, 1,126,732.80 and 190,188.48

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Solution

The fourth proportional to 751,153.92, 1,126,732.80 and 190,188.48 is: 285,283.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,153.92 : 1,126,732.80 = 190,188.48 : x
  2. Step 2: Convert to fraction form
    751,153.92/1,126,732.80 = 190,188.48/x
  3. Step 3: Cross multiply
    751,153.92x = 1,126,732.80 × 190,188.48
  4. Step 4: Simplify right side
    751,153.92x = 214,291,598,598.14
  5. Step 5: Solve for x
    x = 214,291,598,598.14/751,153.92
  6. Step 6: Final answer
    x = 285,283.21

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1.5x scale

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.