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Finding the Fourth Proportional to 222,459.17, 333,685.94 and 53,980.88

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Solution

The fourth proportional to 222,459.17, 333,685.94 and 53,980.88 is: 80,970.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,459.17 : 333,685.94 = 53,980.88 : x
  2. Step 2: Convert to fraction form
    222,459.17/333,685.94 = 53,980.88/x
  3. Step 3: Cross multiply
    222,459.17x = 333,685.94 × 53,980.88
  4. Step 4: Simplify right side
    222,459.17x = 18,012,658,746.49
  5. Step 5: Solve for x
    x = 18,012,658,746.49/222,459.17
  6. Step 6: Final answer
    x = 80,970.63

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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.