Home / 228,575.45-342,637.18-108,421.67

Finding the Fourth Proportional to 228,575.45, 342,637.18 and 108,421.67

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Solution

The fourth proportional to 228,575.45, 342,637.18 and 108,421.67 is: 162,525.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,575.45 : 342,637.18 = 108,421.67 : x
  2. Step 2: Convert to fraction form
    228,575.45/342,637.18 = 108,421.67/x
  3. Step 3: Cross multiply
    228,575.45x = 342,637.18 × 108,421.67
  4. Step 4: Simplify right side
    228,575.45x = 37,149,295,845.23
  5. Step 5: Solve for x
    x = 37,149,295,845.23/228,575.45
  6. Step 6: Final answer
    x = 162,525.31

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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.