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Finding the Fourth Proportional to 188,367.74, 282,566.07 and 53,429.49

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Solution

The fourth proportional to 188,367.74, 282,566.07 and 53,429.49 is: 80,148.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,367.74 : 282,566.07 = 53,429.49 : x
  2. Step 2: Convert to fraction form
    188,367.74/282,566.07 = 53,429.49/x
  3. Step 3: Cross multiply
    188,367.74x = 282,566.07 × 53,429.49
  4. Step 4: Simplify right side
    188,367.74x = 15,097,361,011.40
  5. Step 5: Solve for x
    x = 15,097,361,011.40/188,367.74
  6. Step 6: Final answer
    x = 80,148.34

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1.5x scale

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.