Home / 455,144.10-682,880.18-189,095.55

Finding the Fourth Proportional to 455,144.10, 682,880.18 and 189,095.55

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Solution

The fourth proportional to 455,144.10, 682,880.18 and 189,095.55 is: 283,711.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,144.10 : 682,880.18 = 189,095.55 : x
  2. Step 2: Convert to fraction form
    455,144.10/682,880.18 = 189,095.55/x
  3. Step 3: Cross multiply
    455,144.10x = 682,880.18 × 189,095.55
  4. Step 4: Simplify right side
    455,144.10x = 129,129,602,275.72
  5. Step 5: Solve for x
    x = 129,129,602,275.72/455,144.10
  6. Step 6: Final answer
    x = 283,711.47

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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.