Home / 371,977.60-513,323.04-202,216

Finding the Fourth Proportional to 371,977.60, 513,323.04 and 202,216

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Solution

The fourth proportional to 371,977.60, 513,323.04 and 202,216 is: 279,054.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,977.60 : 513,323.04 = 202,216 : x
  2. Step 2: Convert to fraction form
    371,977.60/513,323.04 = 202,216/x
  3. Step 3: Cross multiply
    371,977.60x = 513,323.04 × 202,216
  4. Step 4: Simplify right side
    371,977.60x = 103,802,131,856.64
  5. Step 5: Solve for x
    x = 103,802,131,856.64/371,977.60
  6. Step 6: Final answer
    x = 279,054.79

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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.