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Finding the Fourth Proportional to 601,018.68, 901,985.16 and 222,297.72

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Solution

The fourth proportional to 601,018.68, 901,985.16 and 222,297.72 is: 333,615.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,018.68 : 901,985.16 = 222,297.72 : x
  2. Step 2: Convert to fraction form
    601,018.68/901,985.16 = 222,297.72/x
  3. Step 3: Cross multiply
    601,018.68x = 901,985.16 × 222,297.72
  4. Step 4: Simplify right side
    601,018.68x = 200,509,244,541.84
  5. Step 5: Solve for x
    x = 200,509,244,541.84/601,018.68
  6. Step 6: Final answer
    x = 333,615.66

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Similar ratio
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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.