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Finding the Fourth Proportional to 333,887.28, 460,619.64 and 220,867.76

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Solution

The fourth proportional to 333,887.28, 460,619.64 and 220,867.76 is: 304,701.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,887.28 : 460,619.64 = 220,867.76 : x
  2. Step 2: Convert to fraction form
    333,887.28/460,619.64 = 220,867.76/x
  3. Step 3: Cross multiply
    333,887.28x = 460,619.64 × 220,867.76
  4. Step 4: Simplify right side
    333,887.28x = 101,736,028,098.81
  5. Step 5: Solve for x
    x = 101,736,028,098.81/333,887.28
  6. Step 6: Final answer
    x = 304,701.72

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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.