Finding the Fourth Proportional to 299,085.58, 412,723.54 and 178,224.18
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Solution
The fourth proportional to 299,085.58, 412,723.54 and 178,224.18 is: 245,940.69
Step by Step Solution
- Step 1: Write the proportion equation
299,085.58 : 412,723.54 = 178,224.18 : x - Step 2: Convert to fraction form
299,085.58/412,723.54 = 178,224.18/x - Step 3: Cross multiply
299,085.58x = 412,723.54 × 178,224.18 - Step 4: Simplify right side
299,085.58x = 73,557,314,483.20 - Step 5: Solve for x
x = 73,557,314,483.20/299,085.58 - Step 6: Final answer
x = 245,940.69
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.