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Finding the Fourth Proportional to 219,353.42, 302,728.15 and 133,292.54

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Solution

The fourth proportional to 219,353.42, 302,728.15 and 133,292.54 is: 183,956.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,353.42 : 302,728.15 = 133,292.54 : x
  2. Step 2: Convert to fraction form
    219,353.42/302,728.15 = 133,292.54/x
  3. Step 3: Cross multiply
    219,353.42x = 302,728.15 × 133,292.54
  4. Step 4: Simplify right side
    219,353.42x = 40,351,404,966.44
  5. Step 5: Solve for x
    x = 40,351,404,966.44/219,353.42
  6. Step 6: Final answer
    x = 183,956.12

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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.