Home / 366,945.80-549,738.30-208,704.20

Finding the Fourth Proportional to 366,945.80, 549,738.30 and 208,704.20

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Solution

The fourth proportional to 366,945.80, 549,738.30 and 208,704.20 is: 312,669.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,945.80 : 549,738.30 = 208,704.20 : x
  2. Step 2: Convert to fraction form
    366,945.80/549,738.30 = 208,704.20/x
  3. Step 3: Cross multiply
    366,945.80x = 549,738.30 × 208,704.20
  4. Step 4: Simplify right side
    366,945.80x = 114,732,692,110.86
  5. Step 5: Solve for x
    x = 114,732,692,110.86/366,945.80
  6. Step 6: Final answer
    x = 312,669.32

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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.