Home / 228,311.80-342,516.30-70,556.20

Finding the Fourth Proportional to 228,311.80, 342,516.30 and 70,556.20

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Solution

The fourth proportional to 228,311.80, 342,516.30 and 70,556.20 is: 105,849.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,311.80 : 342,516.30 = 70,556.20 : x
  2. Step 2: Convert to fraction form
    228,311.80/342,516.30 = 70,556.20/x
  3. Step 3: Cross multiply
    228,311.80x = 342,516.30 × 70,556.20
  4. Step 4: Simplify right side
    228,311.80x = 24,166,648,566.06
  5. Step 5: Solve for x
    x = 24,166,648,566.06/228,311.80
  6. Step 6: Final answer
    x = 105,849.32

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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.