Finding the Fourth Proportional to 171,320.47, 256,421.80 and 154,951.99
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Solution
The fourth proportional to 171,320.47, 256,421.80 and 154,951.99 is: 231,922.48
Step by Step Solution
- Step 1: Write the proportion equation
171,320.47 : 256,421.80 = 154,951.99 : x - Step 2: Convert to fraction form
171,320.47/256,421.80 = 154,951.99/x - Step 3: Cross multiply
171,320.47x = 256,421.80 × 154,951.99 - Step 4: Simplify right side
171,320.47x = 39,733,067,742.02 - Step 5: Solve for x
x = 39,733,067,742.02/171,320.47 - Step 6: Final answer
x = 231,922.48
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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.