Finding the Fourth Proportional to 171,738.42, 257,644.08 and 51,799.02
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Solution
The fourth proportional to 171,738.42, 257,644.08 and 51,799.02 is: 77,709.52
Step by Step Solution
- Step 1: Write the proportion equation
171,738.42 : 257,644.08 = 51,799.02 : x - Step 2: Convert to fraction form
171,738.42/257,644.08 = 51,799.02/x - Step 3: Cross multiply
171,738.42x = 257,644.08 × 51,799.02 - Step 4: Simplify right side
171,738.42x = 13,345,710,852.80 - Step 5: Solve for x
x = 13,345,710,852.80/171,738.42 - Step 6: Final answer
x = 77,709.52
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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.