Home / 209,982.27-314,974.59-52,210.74

Finding the Fourth Proportional to 209,982.27, 314,974.59 and 52,210.74

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Solution

The fourth proportional to 209,982.27, 314,974.59 and 52,210.74 is: 78,316.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,982.27 : 314,974.59 = 52,210.74 : x
  2. Step 2: Convert to fraction form
    209,982.27/314,974.59 = 52,210.74/x
  3. Step 3: Cross multiply
    209,982.27x = 314,974.59 × 52,210.74
  4. Step 4: Simplify right side
    209,982.27x = 16,445,056,425.10
  5. Step 5: Solve for x
    x = 16,445,056,425.10/209,982.27
  6. Step 6: Final answer
    x = 78,316.40

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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.