Home / 314,889.22-434,530.78-178,904.30

Finding the Fourth Proportional to 314,889.22, 434,530.78 and 178,904.30

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Solution

The fourth proportional to 314,889.22, 434,530.78 and 178,904.30 is: 246,878.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,889.22 : 434,530.78 = 178,904.30 : x
  2. Step 2: Convert to fraction form
    314,889.22/434,530.78 = 178,904.30/x
  3. Step 3: Cross multiply
    314,889.22x = 434,530.78 × 178,904.30
  4. Step 4: Simplify right side
    314,889.22x = 77,739,422,404.44
  5. Step 5: Solve for x
    x = 77,739,422,404.44/314,889.22
  6. Step 6: Final answer
    x = 246,878.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.