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Finding the Fourth Proportional to 245,246.40, 367,383.60 and 216,021.60

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Solution

The fourth proportional to 245,246.40, 367,383.60 and 216,021.60 is: 323,604.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,246.40 : 367,383.60 = 216,021.60 : x
  2. Step 2: Convert to fraction form
    245,246.40/367,383.60 = 216,021.60/x
  3. Step 3: Cross multiply
    245,246.40x = 367,383.60 × 216,021.60
  4. Step 4: Simplify right side
    245,246.40x = 79,362,793,085.76
  5. Step 5: Solve for x
    x = 79,362,793,085.76/245,246.40
  6. Step 6: Final answer
    x = 323,604.31

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1.5x scale

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.