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Finding the Fourth Proportional to 362,745.60, 500,511.60 and 219,477.12

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Solution

The fourth proportional to 362,745.60, 500,511.60 and 219,477.12 is: 302,831.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,745.60 : 500,511.60 = 219,477.12 : x
  2. Step 2: Convert to fraction form
    362,745.60/500,511.60 = 219,477.12/x
  3. Step 3: Cross multiply
    362,745.60x = 500,511.60 × 219,477.12
  4. Step 4: Simplify right side
    362,745.60x = 109,850,844,494.59
  5. Step 5: Solve for x
    x = 109,850,844,494.59/362,745.60
  6. Step 6: Final answer
    x = 302,831.64

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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.