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Finding the Fourth Proportional to 351,373.64, 484,899.42 and 190,232.06

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Solution

The fourth proportional to 351,373.64, 484,899.42 and 190,232.06 is: 262,522.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,373.64 : 484,899.42 = 190,232.06 : x
  2. Step 2: Convert to fraction form
    351,373.64/484,899.42 = 190,232.06/x
  3. Step 3: Cross multiply
    351,373.64x = 484,899.42 × 190,232.06
  4. Step 4: Simplify right side
    351,373.64x = 92,243,415,559.41
  5. Step 5: Solve for x
    x = 92,243,415,559.41/351,373.64
  6. Step 6: Final answer
    x = 262,522.30

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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.