Home / 342,222.60-513,421.38-131,804.04

Finding the Fourth Proportional to 342,222.60, 513,421.38 and 131,804.04

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Solution

The fourth proportional to 342,222.60, 513,421.38 and 131,804.04 is: 197,739.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,222.60 : 513,421.38 = 131,804.04 : x
  2. Step 2: Convert to fraction form
    342,222.60/513,421.38 = 131,804.04/x
  3. Step 3: Cross multiply
    342,222.60x = 513,421.38 × 131,804.04
  4. Step 4: Simplify right side
    342,222.60x = 67,671,012,106.38
  5. Step 5: Solve for x
    x = 67,671,012,106.38/342,222.60
  6. Step 6: Final answer
    x = 197,739.75

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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.