Finding the Fourth Proportional to 171,506.22, 257,284.23 and 53,187.09
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Solution
The fourth proportional to 171,506.22, 257,284.23 and 53,187.09 is: 79,788.36
Step by Step Solution
- Step 1: Write the proportion equation
171,506.22 : 257,284.23 = 53,187.09 : x - Step 2: Convert to fraction form
171,506.22/257,284.23 = 53,187.09/x - Step 3: Cross multiply
171,506.22x = 257,284.23 × 53,187.09 - Step 4: Simplify right side
171,506.22x = 13,684,199,496.59 - Step 5: Solve for x
x = 13,684,199,496.59/171,506.22 - Step 6: Final answer
x = 79,788.36
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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.