Finding the Fourth Proportional to 234,728.16, 323,916.12 and 139,177.68
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Solution
The fourth proportional to 234,728.16, 323,916.12 and 139,177.68 is: 192,060.02
Step by Step Solution
- Step 1: Write the proportion equation
234,728.16 : 323,916.12 = 139,177.68 : x - Step 2: Convert to fraction form
234,728.16/323,916.12 = 139,177.68/x - Step 3: Cross multiply
234,728.16x = 323,916.12 × 139,177.68 - Step 4: Simplify right side
234,728.16x = 45,081,894,096.20 - Step 5: Solve for x
x = 45,081,894,096.20/234,728.16 - Step 6: Final answer
x = 192,060.02
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1.5x scale
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.