Home / 245,768.20-368,360.70-127,378.60

Finding the Fourth Proportional to 245,768.20, 368,360.70 and 127,378.60

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Solution

The fourth proportional to 245,768.20, 368,360.70 and 127,378.60 is: 190,916.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,768.20 : 368,360.70 = 127,378.60 : x
  2. Step 2: Convert to fraction form
    245,768.20/368,360.70 = 127,378.60/x
  3. Step 3: Cross multiply
    245,768.20x = 368,360.70 × 127,378.60
  4. Step 4: Simplify right side
    245,768.20x = 46,921,270,261.02
  5. Step 5: Solve for x
    x = 46,921,270,261.02/245,768.20
  6. Step 6: Final answer
    x = 190,916.77

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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.