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Finding the Fourth Proportional to 343,473.59, 474,228.60 and 214,608.67

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Solution

The fourth proportional to 343,473.59, 474,228.60 and 214,608.67 is: 296,306.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,473.59 : 474,228.60 = 214,608.67 : x
  2. Step 2: Convert to fraction form
    343,473.59/474,228.60 = 214,608.67/x
  3. Step 3: Cross multiply
    343,473.59x = 474,228.60 × 214,608.67
  4. Step 4: Simplify right side
    343,473.59x = 101,773,569,121.96
  5. Step 5: Solve for x
    x = 101,773,569,121.96/343,473.59
  6. Step 6: Final answer
    x = 296,306.83

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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.