Home / 209,973.46-314,961.34-52,201.91

Finding the Fourth Proportional to 209,973.46, 314,961.34 and 52,201.91

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Solution

The fourth proportional to 209,973.46, 314,961.34 and 52,201.91 is: 78,303.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,973.46 : 314,961.34 = 52,201.91 : x
  2. Step 2: Convert to fraction form
    209,973.46/314,961.34 = 52,201.91/x
  3. Step 3: Cross multiply
    209,973.46x = 314,961.34 × 52,201.91
  4. Step 4: Simplify right side
    209,973.46x = 16,441,583,524.16
  5. Step 5: Solve for x
    x = 16,441,583,524.16/209,973.46
  6. Step 6: Final answer
    x = 78,303.15

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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.