Home / 379,724.16-569,672.64-202,137.60

Finding the Fourth Proportional to 379,724.16, 569,672.64 and 202,137.60

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Solution

The fourth proportional to 379,724.16, 569,672.64 and 202,137.60 is: 303,252.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,724.16 : 569,672.64 = 202,137.60 : x
  2. Step 2: Convert to fraction form
    379,724.16/569,672.64 = 202,137.60/x
  3. Step 3: Cross multiply
    379,724.16x = 569,672.64 × 202,137.60
  4. Step 4: Simplify right side
    379,724.16x = 115,152,260,235.26
  5. Step 5: Solve for x
    x = 115,152,260,235.26/379,724.16
  6. Step 6: Final answer
    x = 303,252.39

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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.