Home / 296,823.60-445,235.40-218,091.60

Finding the Fourth Proportional to 296,823.60, 445,235.40 and 218,091.60

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Solution

The fourth proportional to 296,823.60, 445,235.40 and 218,091.60 is: 327,137.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,823.60 : 445,235.40 = 218,091.60 : x
  2. Step 2: Convert to fraction form
    296,823.60/445,235.40 = 218,091.60/x
  3. Step 3: Cross multiply
    296,823.60x = 445,235.40 × 218,091.60
  4. Step 4: Simplify right side
    296,823.60x = 97,102,100,762.64
  5. Step 5: Solve for x
    x = 97,102,100,762.64/296,823.60
  6. Step 6: Final answer
    x = 327,137.40

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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.