Finding the Fourth Proportional to 180,948.42, 271,381.32 and 68,641.11
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Solution
The fourth proportional to 180,948.42, 271,381.32 and 68,641.11 is: 102,945.99
Step by Step Solution
- Step 1: Write the proportion equation
180,948.42 : 271,381.32 = 68,641.11 : x - Step 2: Convert to fraction form
180,948.42/271,381.32 = 68,641.11/x - Step 3: Cross multiply
180,948.42x = 271,381.32 × 68,641.11 - Step 4: Simplify right side
180,948.42x = 18,627,915,038.07 - Step 5: Solve for x
x = 18,627,915,038.07/180,948.42 - Step 6: Final answer
x = 102,945.99
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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.