Home / 245,513.20-368,504.70-127,269.40

Finding the Fourth Proportional to 245,513.20, 368,504.70 and 127,269.40

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Solution

The fourth proportional to 245,513.20, 368,504.70 and 127,269.40 is: 191,025.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,513.20 : 368,504.70 = 127,269.40 : x
  2. Step 2: Convert to fraction form
    245,513.20/368,504.70 = 127,269.40/x
  3. Step 3: Cross multiply
    245,513.20x = 368,504.70 × 127,269.40
  4. Step 4: Simplify right side
    245,513.20x = 46,899,372,066.18
  5. Step 5: Solve for x
    x = 46,899,372,066.18/245,513.20
  6. Step 6: Final answer
    x = 191,025.87

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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.