Finding the Fourth Proportional to 170,701.80, 256,052.70 and 117,557.70
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Solution
The fourth proportional to 170,701.80, 256,052.70 and 117,557.70 is: 176,336.55
Step by Step Solution
- Step 1: Write the proportion equation
170,701.80 : 256,052.70 = 117,557.70 : x - Step 2: Convert to fraction form
170,701.80/256,052.70 = 117,557.70/x - Step 3: Cross multiply
170,701.80x = 256,052.70 × 117,557.70 - Step 4: Simplify right side
170,701.80x = 30,100,966,490.79 - Step 5: Solve for x
x = 30,100,966,490.79/170,701.80 - Step 6: Final answer
x = 176,336.55
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1.5x scale
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.