Finding the Fourth Proportional to 256,803.27, 385,286.93 and 123,696.99
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Solution
The fourth proportional to 256,803.27, 385,286.93 and 123,696.99 is: 185,584.99
Step by Step Solution
- Step 1: Write the proportion equation
256,803.27 : 385,286.93 = 123,696.99 : x - Step 2: Convert to fraction form
256,803.27/385,286.93 = 123,696.99/x - Step 3: Cross multiply
256,803.27x = 385,286.93 × 123,696.99 - Step 4: Simplify right side
256,803.27x = 47,658,832,908.86 - Step 5: Solve for x
x = 47,658,832,908.86/256,803.27 - Step 6: Final answer
x = 185,584.99
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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.