Finding the Fourth Proportional to 313,279.16, 432,326.06 and 170,039.19
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Solution
The fourth proportional to 313,279.16, 432,326.06 and 170,039.19 is: 234,654.54
Step by Step Solution
- Step 1: Write the proportion equation
313,279.16 : 432,326.06 = 170,039.19 : x - Step 2: Convert to fraction form
313,279.16/432,326.06 = 170,039.19/x - Step 3: Cross multiply
313,279.16x = 432,326.06 × 170,039.19 - Step 4: Simplify right side
313,279.16x = 73,512,374,466.97 - Step 5: Solve for x
x = 73,512,374,466.97/313,279.16 - Step 6: Final answer
x = 234,654.54
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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.