Home / 209,584.32-314,373.37-51,812.72

Finding the Fourth Proportional to 209,584.32, 314,373.37 and 51,812.72

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Solution

The fourth proportional to 209,584.32, 314,373.37 and 51,812.72 is: 77,718.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,584.32 : 314,373.37 = 51,812.72 : x
  2. Step 2: Convert to fraction form
    209,584.32/314,373.37 = 51,812.72/x
  3. Step 3: Cross multiply
    209,584.32x = 314,373.37 × 51,812.72
  4. Step 4: Simplify right side
    209,584.32x = 16,288,539,395.27
  5. Step 5: Solve for x
    x = 16,288,539,395.27/209,584.32
  6. Step 6: Final answer
    x = 77,718.31

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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.