Finding the Fourth Proportional to 301,125.36, 451,685.76 and 76,486.44
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Solution
The fourth proportional to 301,125.36, 451,685.76 and 76,486.44 is: 114,729.08
Step by Step Solution
- Step 1: Write the proportion equation
301,125.36 : 451,685.76 = 76,486.44 : x - Step 2: Convert to fraction form
301,125.36/451,685.76 = 76,486.44/x - Step 3: Cross multiply
301,125.36x = 451,685.76 × 76,486.44 - Step 4: Simplify right side
301,125.36x = 34,547,835,781.09 - Step 5: Solve for x
x = 34,547,835,781.09/301,125.36 - Step 6: Final answer
x = 114,729.08
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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.