Home / 208,017.10-312,025.65-204,906.70

Finding the Fourth Proportional to 208,017.10, 312,025.65 and 204,906.70

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Solution

The fourth proportional to 208,017.10, 312,025.65 and 204,906.70 is: 307,360.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,017.10 : 312,025.65 = 204,906.70 : x
  2. Step 2: Convert to fraction form
    208,017.10/312,025.65 = 204,906.70/x
  3. Step 3: Cross multiply
    208,017.10x = 312,025.65 × 204,906.70
  4. Step 4: Simplify right side
    208,017.10x = 63,936,146,256.86
  5. Step 5: Solve for x
    x = 63,936,146,256.86/208,017.10
  6. Step 6: Final answer
    x = 307,360.05

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1.5x scale

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.