Finding the Fourth Proportional to 451,958.36, 677,671.74 and 171,495.32
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Solution
The fourth proportional to 451,958.36, 677,671.74 and 171,495.32 is: 257,142.12
Step by Step Solution
- Step 1: Write the proportion equation
451,958.36 : 677,671.74 = 171,495.32 : x - Step 2: Convert to fraction form
451,958.36/677,671.74 = 171,495.32/x - Step 3: Cross multiply
451,958.36x = 677,671.74 × 171,495.32 - Step 4: Simplify right side
451,958.36x = 116,217,531,906.26 - Step 5: Solve for x
x = 116,217,531,906.26/451,958.36 - Step 6: Final answer
x = 257,142.12
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.