Home / 209,559.66-314,336.43-51,788.13

Finding the Fourth Proportional to 209,559.66, 314,336.43 and 51,788.13

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Solution

The fourth proportional to 209,559.66, 314,336.43 and 51,788.13 is: 77,681.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,559.66 : 314,336.43 = 51,788.13 : x
  2. Step 2: Convert to fraction form
    209,559.66/314,336.43 = 51,788.13/x
  3. Step 3: Cross multiply
    209,559.66x = 314,336.43 × 51,788.13
  4. Step 4: Simplify right side
    209,559.66x = 16,278,894,721.81
  5. Step 5: Solve for x
    x = 16,278,894,721.81/209,559.66
  6. Step 6: Final answer
    x = 77,681.43

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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.