Home / 336,915.28-505,010.04-178,984.72

Finding the Fourth Proportional to 336,915.28, 505,010.04 and 178,984.72

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Solution

The fourth proportional to 336,915.28, 505,010.04 and 178,984.72 is: 268,284.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,915.28 : 505,010.04 = 178,984.72 : x
  2. Step 2: Convert to fraction form
    336,915.28/505,010.04 = 178,984.72/x
  3. Step 3: Cross multiply
    336,915.28x = 505,010.04 × 178,984.72
  4. Step 4: Simplify right side
    336,915.28x = 90,389,080,606.59
  5. Step 5: Solve for x
    x = 90,389,080,606.59/336,915.28
  6. Step 6: Final answer
    x = 268,284.30

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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.