Finding the Fourth Proportional to 225,042.13, 310,590.75 and 129,547.99
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Solution
The fourth proportional to 225,042.13, 310,590.75 and 129,547.99 is: 178,795.00
Step by Step Solution
- Step 1: Write the proportion equation
225,042.13 : 310,590.75 = 129,547.99 : x - Step 2: Convert to fraction form
225,042.13/310,590.75 = 129,547.99/x - Step 3: Cross multiply
225,042.13x = 310,590.75 × 129,547.99 - Step 4: Simplify right side
225,042.13x = 40,236,407,375.09 - Step 5: Solve for x
x = 40,236,407,375.09/225,042.13 - Step 6: Final answer
x = 178,795.00
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.