Finding the Fourth Proportional to 190,039.08, 284,966.34 and 71,719.62
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Solution
The fourth proportional to 190,039.08, 284,966.34 and 71,719.62 is: 107,544.60
Step by Step Solution
- Step 1: Write the proportion equation
190,039.08 : 284,966.34 = 71,719.62 : x - Step 2: Convert to fraction form
190,039.08/284,966.34 = 71,719.62/x - Step 3: Cross multiply
190,039.08x = 284,966.34 × 71,719.62 - Step 4: Simplify right side
190,039.08x = 20,437,677,617.59 - Step 5: Solve for x
x = 20,437,677,617.59/190,039.08 - Step 6: Final answer
x = 107,544.60
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.