Home / 371,914.92-513,257.88-210,768.24

Finding the Fourth Proportional to 371,914.92, 513,257.88 and 210,768.24

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Solution

The fourth proportional to 371,914.92, 513,257.88 and 210,768.24 is: 290,868.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,914.92 : 513,257.88 = 210,768.24 : x
  2. Step 2: Convert to fraction form
    371,914.92/513,257.88 = 210,768.24/x
  3. Step 3: Cross multiply
    371,914.92x = 513,257.88 × 210,768.24
  4. Step 4: Simplify right side
    371,914.92x = 108,178,460,033.73
  5. Step 5: Solve for x
    x = 108,178,460,033.73/371,914.92
  6. Step 6: Final answer
    x = 290,868.84

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1.5x scale

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.