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Finding the Fourth Proportional to 338,601.60, 506,865.60 and 245,289.60

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Solution

The fourth proportional to 338,601.60, 506,865.60 and 245,289.60 is: 367,183.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,601.60 : 506,865.60 = 245,289.60 : x
  2. Step 2: Convert to fraction form
    338,601.60/506,865.60 = 245,289.60/x
  3. Step 3: Cross multiply
    338,601.60x = 506,865.60 × 245,289.60
  4. Step 4: Simplify right side
    338,601.60x = 124,328,860,277.76
  5. Step 5: Solve for x
    x = 124,328,860,277.76/338,601.60
  6. Step 6: Final answer
    x = 367,183.32

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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.