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Finding the Fourth Proportional to 261,367.32, 360,682.12 and 146,648.08

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Solution

The fourth proportional to 261,367.32, 360,682.12 and 146,648.08 is: 202,371.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,367.32 : 360,682.12 = 146,648.08 : x
  2. Step 2: Convert to fraction form
    261,367.32/360,682.12 = 146,648.08/x
  3. Step 3: Cross multiply
    261,367.32x = 360,682.12 × 146,648.08
  4. Step 4: Simplify right side
    261,367.32x = 52,893,340,388.33
  5. Step 5: Solve for x
    x = 52,893,340,388.33/261,367.32
  6. Step 6: Final answer
    x = 202,371.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.