Finding the Fourth Proportional to 171,908.20, 257,862.30 and 169,283.80
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Solution
The fourth proportional to 171,908.20, 257,862.30 and 169,283.80 is: 253,925.70
Step by Step Solution
- Step 1: Write the proportion equation
171,908.20 : 257,862.30 = 169,283.80 : x - Step 2: Convert to fraction form
171,908.20/257,862.30 = 169,283.80/x - Step 3: Cross multiply
171,908.20x = 257,862.30 × 169,283.80 - Step 4: Simplify right side
171,908.20x = 43,651,910,020.74 - Step 5: Solve for x
x = 43,651,910,020.74/171,908.20 - Step 6: Final answer
x = 253,925.70
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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.