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Finding the Fourth Proportional to 342,600.17, 472,475.85 and 294,186.89

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Solution

The fourth proportional to 342,600.17, 472,475.85 and 294,186.89 is: 405,709.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,600.17 : 472,475.85 = 294,186.89 : x
  2. Step 2: Convert to fraction form
    342,600.17/472,475.85 = 294,186.89/x
  3. Step 3: Cross multiply
    342,600.17x = 472,475.85 × 294,186.89
  4. Step 4: Simplify right side
    342,600.17x = 138,996,200,911.61
  5. Step 5: Solve for x
    x = 138,996,200,911.61/342,600.17
  6. Step 6: Final answer
    x = 405,709.67

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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.