Finding the Fourth Proportional to 407,736.28, 611,334.42 and 194,537.08
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Solution
The fourth proportional to 407,736.28, 611,334.42 and 194,537.08 is: 291,676.80
Step by Step Solution
- Step 1: Write the proportion equation
407,736.28 : 611,334.42 = 194,537.08 : x - Step 2: Convert to fraction form
407,736.28/611,334.42 = 194,537.08/x - Step 3: Cross multiply
407,736.28x = 611,334.42 × 194,537.08 - Step 4: Simplify right side
407,736.28x = 118,927,212,970.29 - Step 5: Solve for x
x = 118,927,212,970.29/407,736.28 - Step 6: Final answer
x = 291,676.80
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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.