Home / 209,823.84-314,454.29-114,911.28

Finding the Fourth Proportional to 209,823.84, 314,454.29 and 114,911.28

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Solution

The fourth proportional to 209,823.84, 314,454.29 and 114,911.28 is: 172,212.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,823.84 : 314,454.29 = 114,911.28 : x
  2. Step 2: Convert to fraction form
    209,823.84/314,454.29 = 114,911.28/x
  3. Step 3: Cross multiply
    209,823.84x = 314,454.29 × 114,911.28
  4. Step 4: Simplify right side
    209,823.84x = 36,134,344,390.83
  5. Step 5: Solve for x
    x = 36,134,344,390.83/209,823.84
  6. Step 6: Final answer
    x = 172,212.77

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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.