Home / 399,289.14-598,962.96-114,968.16

Finding the Fourth Proportional to 399,289.14, 598,962.96 and 114,968.16

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Solution

The fourth proportional to 399,289.14, 598,962.96 and 114,968.16 is: 172,460.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,289.14 : 598,962.96 = 114,968.16 : x
  2. Step 2: Convert to fraction form
    399,289.14/598,962.96 = 114,968.16/x
  3. Step 3: Cross multiply
    399,289.14x = 598,962.96 × 114,968.16
  4. Step 4: Simplify right side
    399,289.14x = 68,861,669,419.35
  5. Step 5: Solve for x
    x = 68,861,669,419.35/399,289.14
  6. Step 6: Final answer
    x = 172,460.66

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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.