Home / 228,032.10-342,145.35-143,856.90

Finding the Fourth Proportional to 228,032.10, 342,145.35 and 143,856.90

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Solution

The fourth proportional to 228,032.10, 342,145.35 and 143,856.90 is: 215,846.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,032.10 : 342,145.35 = 143,856.90 : x
  2. Step 2: Convert to fraction form
    228,032.10/342,145.35 = 143,856.90/x
  3. Step 3: Cross multiply
    228,032.10x = 342,145.35 × 143,856.90
  4. Step 4: Simplify right side
    228,032.10x = 49,219,969,400.42
  5. Step 5: Solve for x
    x = 49,219,969,400.42/228,032.10
  6. Step 6: Final answer
    x = 215,846.67

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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.