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Finding the Fourth Proportional to 245,244.92, 338,444.73 and 137,824.74

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Solution

The fourth proportional to 245,244.92, 338,444.73 and 137,824.74 is: 190,201.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,244.92 : 338,444.73 = 137,824.74 : x
  2. Step 2: Convert to fraction form
    245,244.92/338,444.73 = 137,824.74/x
  3. Step 3: Cross multiply
    245,244.92x = 338,444.73 × 137,824.74
  4. Step 4: Simplify right side
    245,244.92x = 46,646,056,916.62
  5. Step 5: Solve for x
    x = 46,646,056,916.62/245,244.92
  6. Step 6: Final answer
    x = 190,201.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.