Home / 315,946.44-435,899.69-179,884.16

Finding the Fourth Proportional to 315,946.44, 435,899.69 and 179,884.16

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Solution

The fourth proportional to 315,946.44, 435,899.69 and 179,884.16 is: 248,179.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,946.44 : 435,899.69 = 179,884.16 : x
  2. Step 2: Convert to fraction form
    315,946.44/435,899.69 = 179,884.16/x
  3. Step 3: Cross multiply
    315,946.44x = 435,899.69 × 179,884.16
  4. Step 4: Simplify right side
    315,946.44x = 78,411,450,444.80
  5. Step 5: Solve for x
    x = 78,411,450,444.80/315,946.44
  6. Step 6: Final answer
    x = 248,179.56

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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.