Home / 217,931.98-326,916.78-60,160.45

Finding the Fourth Proportional to 217,931.98, 326,916.78 and 60,160.45

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Solution

The fourth proportional to 217,931.98, 326,916.78 and 60,160.45 is: 90,245.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,931.98 : 326,916.78 = 60,160.45 : x
  2. Step 2: Convert to fraction form
    217,931.98/326,916.78 = 60,160.45/x
  3. Step 3: Cross multiply
    217,931.98x = 326,916.78 × 60,160.45
  4. Step 4: Simplify right side
    217,931.98x = 19,667,460,597.35
  5. Step 5: Solve for x
    x = 19,667,460,597.35/217,931.98
  6. Step 6: Final answer
    x = 90,245.87

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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.