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Finding the Fourth Proportional to 46,216.80, 69,325.20 and 43,300.80

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Solution

The fourth proportional to 46,216.80, 69,325.20 and 43,300.80 is: 64,951.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,216.80 : 69,325.20 = 43,300.80 : x
  2. Step 2: Convert to fraction form
    46,216.80/69,325.20 = 43,300.80/x
  3. Step 3: Cross multiply
    46,216.80x = 69,325.20 × 43,300.80
  4. Step 4: Simplify right side
    46,216.80x = 3,001,836,620.16
  5. Step 5: Solve for x
    x = 3,001,836,620.16/46,216.80
  6. Step 6: Final answer
    x = 64,951.20

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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.