Home / 751,071.65-1,126,608.29-190,106.15

Finding the Fourth Proportional to 751,071.65, 1,126,608.29 and 190,106.15

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Solution

The fourth proportional to 751,071.65, 1,126,608.29 and 190,106.15 is: 285,159.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,071.65 : 1,126,608.29 = 190,106.15 : x
  2. Step 2: Convert to fraction form
    751,071.65/1,126,608.29 = 190,106.15/x
  3. Step 3: Cross multiply
    751,071.65x = 1,126,608.29 × 190,106.15
  4. Step 4: Simplify right side
    751,071.65x = 214,175,167,148.87
  5. Step 5: Solve for x
    x = 214,175,167,148.87/751,071.65
  6. Step 6: Final answer
    x = 285,159.43

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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.