Home / 314,928.45-472,589.91-209,821.23

Finding the Fourth Proportional to 314,928.45, 472,589.91 and 209,821.23

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Solution

The fourth proportional to 314,928.45, 472,589.91 and 209,821.23 is: 314,863.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,928.45 : 472,589.91 = 209,821.23 : x
  2. Step 2: Convert to fraction form
    314,928.45/472,589.91 = 209,821.23/x
  3. Step 3: Cross multiply
    314,928.45x = 472,589.91 × 209,821.23
  4. Step 4: Simplify right side
    314,928.45x = 99,159,396,201.79
  5. Step 5: Solve for x
    x = 99,159,396,201.79/314,928.45
  6. Step 6: Final answer
    x = 314,863.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.