Finding the Fourth Proportional to 230,837.15, 346,211.98 and 81,042.23
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Solution
The fourth proportional to 230,837.15, 346,211.98 and 81,042.23 is: 121,547.99
Step by Step Solution
- Step 1: Write the proportion equation
230,837.15 : 346,211.98 = 81,042.23 : x - Step 2: Convert to fraction form
230,837.15/346,211.98 = 81,042.23/x - Step 3: Cross multiply
230,837.15x = 346,211.98 × 81,042.23 - Step 4: Simplify right side
230,837.15x = 28,057,790,911.92 - Step 5: Solve for x
x = 28,057,790,911.92/230,837.15 - Step 6: Final answer
x = 121,547.99
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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.