Finding the Fourth Proportional to 228,837.96, 343,279.71 and 84,782.34
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Solution
The fourth proportional to 228,837.96, 343,279.71 and 84,782.34 is: 127,181.95
Step by Step Solution
- Step 1: Write the proportion equation
228,837.96 : 343,279.71 = 84,782.34 : x - Step 2: Convert to fraction form
228,837.96/343,279.71 = 84,782.34/x - Step 3: Cross multiply
228,837.96x = 343,279.71 × 84,782.34 - Step 4: Simplify right side
228,837.96x = 29,104,057,088.32 - Step 5: Solve for x
x = 29,104,057,088.32/228,837.96 - Step 6: Final answer
x = 127,181.95
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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.