Home / 371,852.46-513,160.38-202,086.60

Finding the Fourth Proportional to 371,852.46, 513,160.38 and 202,086.60

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Solution

The fourth proportional to 371,852.46, 513,160.38 and 202,086.60 is: 278,881.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,852.46 : 513,160.38 = 202,086.60 : x
  2. Step 2: Convert to fraction form
    371,852.46/513,160.38 = 202,086.60/x
  3. Step 3: Cross multiply
    371,852.46x = 513,160.38 × 202,086.60
  4. Step 4: Simplify right side
    371,852.46x = 103,702,836,448.91
  5. Step 5: Solve for x
    x = 103,702,836,448.91/371,852.46
  6. Step 6: Final answer
    x = 278,881.67

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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.