Home / 384,744.39-577,145.58-114,851.21

Finding the Fourth Proportional to 384,744.39, 577,145.58 and 114,851.21

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Solution

The fourth proportional to 384,744.39, 577,145.58 and 114,851.21 is: 172,285.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,744.39 : 577,145.58 = 114,851.21 : x
  2. Step 2: Convert to fraction form
    384,744.39/577,145.58 = 114,851.21/x
  3. Step 3: Cross multiply
    384,744.39x = 577,145.58 × 114,851.21
  4. Step 4: Simplify right side
    384,744.39x = 66,285,868,209.15
  5. Step 5: Solve for x
    x = 66,285,868,209.15/384,744.39
  6. Step 6: Final answer
    x = 172,285.47

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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.