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Finding the Fourth Proportional to 423,513.27, 584,372.07 and 239,750.60

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Solution

The fourth proportional to 423,513.27, 584,372.07 and 239,750.60 is: 330,812.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,513.27 : 584,372.07 = 239,750.60 : x
  2. Step 2: Convert to fraction form
    423,513.27/584,372.07 = 239,750.60/x
  3. Step 3: Cross multiply
    423,513.27x = 584,372.07 × 239,750.60
  4. Step 4: Simplify right side
    423,513.27x = 140,103,554,405.74
  5. Step 5: Solve for x
    x = 140,103,554,405.74/423,513.27
  6. Step 6: Final answer
    x = 330,812.67

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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.