Finding the Fourth Proportional to 170,689.36, 235,593.48 and 103,677.52
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Solution
The fourth proportional to 170,689.36, 235,593.48 and 103,677.52 is: 143,100.59
Step by Step Solution
- Step 1: Write the proportion equation
170,689.36 : 235,593.48 = 103,677.52 : x - Step 2: Convert to fraction form
170,689.36/235,593.48 = 103,677.52/x - Step 3: Cross multiply
170,689.36x = 235,593.48 × 103,677.52 - Step 4: Simplify right side
170,689.36x = 24,425,747,734.57 - Step 5: Solve for x
x = 24,425,747,734.57/170,689.36 - Step 6: Final answer
x = 143,100.59
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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.