Home / 327,212.22-490,818.47-102,590.16

Finding the Fourth Proportional to 327,212.22, 490,818.47 and 102,590.16

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Solution

The fourth proportional to 327,212.22, 490,818.47 and 102,590.16 is: 153,885.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,212.22 : 490,818.47 = 102,590.16 : x
  2. Step 2: Convert to fraction form
    327,212.22/490,818.47 = 102,590.16/x
  3. Step 3: Cross multiply
    327,212.22x = 490,818.47 × 102,590.16
  4. Step 4: Simplify right side
    327,212.22x = 50,353,145,368.26
  5. Step 5: Solve for x
    x = 50,353,145,368.26/327,212.22
  6. Step 6: Final answer
    x = 153,885.28

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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.