Finding the Fourth Proportional to 302,008.15, 453,014.96 and 91,646.09
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Solution
The fourth proportional to 302,008.15, 453,014.96 and 91,646.09 is: 137,469.96
Step by Step Solution
- Step 1: Write the proportion equation
302,008.15 : 453,014.96 = 91,646.09 : x - Step 2: Convert to fraction form
302,008.15/453,014.96 = 91,646.09/x - Step 3: Cross multiply
302,008.15x = 453,014.96 × 91,646.09 - Step 4: Simplify right side
302,008.15x = 41,517,048,771.01 - Step 5: Solve for x
x = 41,517,048,771.01/302,008.15 - Step 6: Final answer
x = 137,469.96
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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.