Home / 362,721.60-500,478.48-219,453.12

Finding the Fourth Proportional to 362,721.60, 500,478.48 and 219,453.12

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Solution

The fourth proportional to 362,721.60, 500,478.48 and 219,453.12 is: 302,798.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,721.60 : 500,478.48 = 219,453.12 : x
  2. Step 2: Convert to fraction form
    362,721.60/500,478.48 = 219,453.12/x
  3. Step 3: Cross multiply
    362,721.60x = 500,478.48 × 219,453.12
  4. Step 4: Simplify right side
    362,721.60x = 109,831,563,928.86
  5. Step 5: Solve for x
    x = 109,831,563,928.86/362,721.60
  6. Step 6: Final answer
    x = 302,798.52

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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.