Finding the Fourth Proportional to 173,859.16, 239,690.07 and 148,636.48
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Solution
The fourth proportional to 173,859.16, 239,690.07 and 148,636.48 is: 204,916.95
Step by Step Solution
- Step 1: Write the proportion equation
173,859.16 : 239,690.07 = 148,636.48 : x - Step 2: Convert to fraction form
173,859.16/239,690.07 = 148,636.48/x - Step 3: Cross multiply
173,859.16x = 239,690.07 × 148,636.48 - Step 4: Simplify right side
173,859.16x = 35,626,688,295.75 - Step 5: Solve for x
x = 35,626,688,295.75/173,859.16 - Step 6: Final answer
x = 204,916.95
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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.