Home / 213,279.20-320,001.08-152,558.09

Finding the Fourth Proportional to 213,279.20, 320,001.08 and 152,558.09

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Solution

The fourth proportional to 213,279.20, 320,001.08 and 152,558.09 is: 228,895.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,279.20 : 320,001.08 = 152,558.09 : x
  2. Step 2: Convert to fraction form
    213,279.20/320,001.08 = 152,558.09/x
  3. Step 3: Cross multiply
    213,279.20x = 320,001.08 × 152,558.09
  4. Step 4: Simplify right side
    213,279.20x = 48,818,751,199.94
  5. Step 5: Solve for x
    x = 48,818,751,199.94/213,279.20
  6. Step 6: Final answer
    x = 228,895.98

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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.