Home / 228,011.68-342,031.62-76,222.42

Finding the Fourth Proportional to 228,011.68, 342,031.62 and 76,222.42

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Solution

The fourth proportional to 228,011.68, 342,031.62 and 76,222.42 is: 114,338.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,011.68 : 342,031.62 = 76,222.42 : x
  2. Step 2: Convert to fraction form
    228,011.68/342,031.62 = 76,222.42/x
  3. Step 3: Cross multiply
    228,011.68x = 342,031.62 × 76,222.42
  4. Step 4: Simplify right side
    228,011.68x = 26,070,477,223.68
  5. Step 5: Solve for x
    x = 26,070,477,223.68/228,011.68
  6. Step 6: Final answer
    x = 114,338.34

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1.5x scale

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.