Finding the Fourth Proportional to 214,844.69, 322,153.62 and 72,641.09
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Solution
The fourth proportional to 214,844.69, 322,153.62 and 72,641.09 is: 108,923.28
Step by Step Solution
- Step 1: Write the proportion equation
214,844.69 : 322,153.62 = 72,641.09 : x - Step 2: Convert to fraction form
214,844.69/322,153.62 = 72,641.09/x - Step 3: Cross multiply
214,844.69x = 322,153.62 × 72,641.09 - Step 4: Simplify right side
214,844.69x = 23,401,588,493.48 - Step 5: Solve for x
x = 23,401,588,493.48/214,844.69 - Step 6: Final answer
x = 108,923.28
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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.