Finding the Fourth Proportional to 145,916.70, 201,465.27 and 110,147.10
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Solution
The fourth proportional to 145,916.70, 201,465.27 and 110,147.10 is: 152,078.65
Step by Step Solution
- Step 1: Write the proportion equation
145,916.70 : 201,465.27 = 110,147.10 : x - Step 2: Convert to fraction form
145,916.70/201,465.27 = 110,147.10/x - Step 3: Cross multiply
145,916.70x = 201,465.27 × 110,147.10 - Step 4: Simplify right side
145,916.70x = 22,190,815,241.22 - Step 5: Solve for x
x = 22,190,815,241.22/145,916.70 - Step 6: Final answer
x = 152,078.65
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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.