Home / 209,584.40-314,187.01-76,433.46

Finding the Fourth Proportional to 209,584.40, 314,187.01 and 76,433.46

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Solution

The fourth proportional to 209,584.40, 314,187.01 and 76,433.46 is: 114,581.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,584.40 : 314,187.01 = 76,433.46 : x
  2. Step 2: Convert to fraction form
    209,584.40/314,187.01 = 76,433.46/x
  3. Step 3: Cross multiply
    209,584.40x = 314,187.01 × 76,433.46
  4. Step 4: Simplify right side
    209,584.40x = 24,014,400,261.35
  5. Step 5: Solve for x
    x = 24,014,400,261.35/209,584.40
  6. Step 6: Final answer
    x = 114,581.05

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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.