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Finding the Fourth Proportional to 188,336.27, 282,504.39 and 70,037.39

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Solution

The fourth proportional to 188,336.27, 282,504.39 and 70,037.39 is: 105,056.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,336.27 : 282,504.39 = 70,037.39 : x
  2. Step 2: Convert to fraction form
    188,336.27/282,504.39 = 70,037.39/x
  3. Step 3: Cross multiply
    188,336.27x = 282,504.39 × 70,037.39
  4. Step 4: Simplify right side
    188,336.27x = 19,785,870,139.14
  5. Step 5: Solve for x
    x = 19,785,870,139.14/188,336.27
  6. Step 6: Final answer
    x = 105,056.08

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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.