Home / 646,135.37-969,269.34-247,111.76

Finding the Fourth Proportional to 646,135.37, 969,269.34 and 247,111.76

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Solution

The fourth proportional to 646,135.37, 969,269.34 and 247,111.76 is: 370,692.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,135.37 : 969,269.34 = 247,111.76 : x
  2. Step 2: Convert to fraction form
    646,135.37/969,269.34 = 247,111.76/x
  3. Step 3: Cross multiply
    646,135.37x = 969,269.34 × 247,111.76
  4. Step 4: Simplify right side
    646,135.37x = 239,517,847,675.09
  5. Step 5: Solve for x
    x = 239,517,847,675.09/646,135.37
  6. Step 6: Final answer
    x = 370,692.99

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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.