Home / 209,435.10-314,152.65-162,195.90

Finding the Fourth Proportional to 209,435.10, 314,152.65 and 162,195.90

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Solution

The fourth proportional to 209,435.10, 314,152.65 and 162,195.90 is: 243,293.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,435.10 : 314,152.65 = 162,195.90 : x
  2. Step 2: Convert to fraction form
    209,435.10/314,152.65 = 162,195.90/x
  3. Step 3: Cross multiply
    209,435.10x = 314,152.65 × 162,195.90
  4. Step 4: Simplify right side
    209,435.10x = 50,954,271,804.14
  5. Step 5: Solve for x
    x = 50,954,271,804.14/209,435.10
  6. Step 6: Final answer
    x = 243,293.85

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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.