Home / 380,626.54-525,226.35-210,828.94

Finding the Fourth Proportional to 380,626.54, 525,226.35 and 210,828.94

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Solution

The fourth proportional to 380,626.54, 525,226.35 and 210,828.94 is: 290,922.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,626.54 : 525,226.35 = 210,828.94 : x
  2. Step 2: Convert to fraction form
    380,626.54/525,226.35 = 210,828.94/x
  3. Step 3: Cross multiply
    380,626.54x = 525,226.35 × 210,828.94
  4. Step 4: Simplify right side
    380,626.54x = 110,732,914,630.57
  5. Step 5: Solve for x
    x = 110,732,914,630.57/380,626.54
  6. Step 6: Final answer
    x = 290,922.74

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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.