Home / 384,742.39-577,142.58-114,849.21

Finding the Fourth Proportional to 384,742.39, 577,142.58 and 114,849.21

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Solution

The fourth proportional to 384,742.39, 577,142.58 and 114,849.21 is: 172,282.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,742.39 : 577,142.58 = 114,849.21 : x
  2. Step 2: Convert to fraction form
    384,742.39/577,142.58 = 114,849.21/x
  3. Step 3: Cross multiply
    384,742.39x = 577,142.58 × 114,849.21
  4. Step 4: Simplify right side
    384,742.39x = 66,284,369,370.36
  5. Step 5: Solve for x
    x = 66,284,369,370.36/384,742.39
  6. Step 6: Final answer
    x = 172,282.47

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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.