Home / 371,836.41-513,132.78-210,722.16

Finding the Fourth Proportional to 371,836.41, 513,132.78 and 210,722.16

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Solution

The fourth proportional to 371,836.41, 513,132.78 and 210,722.16 is: 290,795.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,836.41 : 513,132.78 = 210,722.16 : x
  2. Step 2: Convert to fraction form
    371,836.41/513,132.78 = 210,722.16/x
  3. Step 3: Cross multiply
    371,836.41x = 513,132.78 × 210,722.16
  4. Step 4: Simplify right side
    371,836.41x = 108,128,447,768.41
  5. Step 5: Solve for x
    x = 108,128,447,768.41/371,836.41
  6. Step 6: Final answer
    x = 290,795.75

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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.