Home / 209,569.44-314,376.66-89,638.84

Finding the Fourth Proportional to 209,569.44, 314,376.66 and 89,638.84

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Solution

The fourth proportional to 209,569.44, 314,376.66 and 89,638.84 is: 134,467.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,569.44 : 314,376.66 = 89,638.84 : x
  2. Step 2: Convert to fraction form
    209,569.44/314,376.66 = 89,638.84/x
  3. Step 3: Cross multiply
    209,569.44x = 314,376.66 × 89,638.84
  4. Step 4: Simplify right side
    209,569.44x = 28,180,359,125.47
  5. Step 5: Solve for x
    x = 28,180,359,125.47/209,569.44
  6. Step 6: Final answer
    x = 134,467.88

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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.