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Finding the Fourth Proportional to 222,635.84, 334,003.20 and 64,876.16

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Solution

The fourth proportional to 222,635.84, 334,003.20 and 64,876.16 is: 97,328.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,635.84 : 334,003.20 = 64,876.16 : x
  2. Step 2: Convert to fraction form
    222,635.84/334,003.20 = 64,876.16/x
  3. Step 3: Cross multiply
    222,635.84x = 334,003.20 × 64,876.16
  4. Step 4: Simplify right side
    222,635.84x = 21,668,845,043.71
  5. Step 5: Solve for x
    x = 21,668,845,043.71/222,635.84
  6. Step 6: Final answer
    x = 97,328.65

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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.