Home / 236,590.20-354,885.30-143,278.20

Finding the Fourth Proportional to 236,590.20, 354,885.30 and 143,278.20

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Solution

The fourth proportional to 236,590.20, 354,885.30 and 143,278.20 is: 214,917.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,590.20 : 354,885.30 = 143,278.20 : x
  2. Step 2: Convert to fraction form
    236,590.20/354,885.30 = 143,278.20/x
  3. Step 3: Cross multiply
    236,590.20x = 354,885.30 × 143,278.20
  4. Step 4: Simplify right side
    236,590.20x = 50,847,326,990.46
  5. Step 5: Solve for x
    x = 50,847,326,990.46/236,590.20
  6. Step 6: Final answer
    x = 214,917.30

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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.