Home / 384,968.43-577,446.30-115,097.19

Finding the Fourth Proportional to 384,968.43, 577,446.30 and 115,097.19

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Solution

The fourth proportional to 384,968.43, 577,446.30 and 115,097.19 is: 172,643.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,968.43 : 577,446.30 = 115,097.19 : x
  2. Step 2: Convert to fraction form
    384,968.43/577,446.30 = 115,097.19/x
  3. Step 3: Cross multiply
    384,968.43x = 577,446.30 × 115,097.19
  4. Step 4: Simplify right side
    384,968.43x = 66,462,446,505.90
  5. Step 5: Solve for x
    x = 66,462,446,505.90/384,968.43
  6. Step 6: Final answer
    x = 172,643.89

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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.