Finding the Fourth Proportional to 171,564.05, 236,701.64 and 103,555.19
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Solution
The fourth proportional to 171,564.05, 236,701.64 and 103,555.19 is: 142,871.90
Step by Step Solution
- Step 1: Write the proportion equation
171,564.05 : 236,701.64 = 103,555.19 : x - Step 2: Convert to fraction form
171,564.05/236,701.64 = 103,555.19/x - Step 3: Cross multiply
171,564.05x = 236,701.64 × 103,555.19 - Step 4: Simplify right side
171,564.05x = 24,511,681,602.23 - Step 5: Solve for x
x = 24,511,681,602.23/171,564.05 - Step 6: Final answer
x = 142,871.90
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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.