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Finding the Fourth Proportional to 307,181.17, 460,979.35 and 107,503.34

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Solution

The fourth proportional to 307,181.17, 460,979.35 and 107,503.34 is: 161,327.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,181.17 : 460,979.35 = 107,503.34 : x
  2. Step 2: Convert to fraction form
    307,181.17/460,979.35 = 107,503.34/x
  3. Step 3: Cross multiply
    307,181.17x = 460,979.35 × 107,503.34
  4. Step 4: Simplify right side
    307,181.17x = 49,556,820,679.72
  5. Step 5: Solve for x
    x = 49,556,820,679.72/307,181.17
  6. Step 6: Final answer
    x = 161,327.67

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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.