Finding the Fourth Proportional to 317,939.06, 438,747.08 and 174,699.06
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Solution
The fourth proportional to 317,939.06, 438,747.08 and 174,699.06 is: 241,079.86
Step by Step Solution
- Step 1: Write the proportion equation
317,939.06 : 438,747.08 = 174,699.06 : x - Step 2: Convert to fraction form
317,939.06/438,747.08 = 174,699.06/x - Step 3: Cross multiply
317,939.06x = 438,747.08 × 174,699.06 - Step 4: Simplify right side
317,939.06x = 76,648,701,580.25 - Step 5: Solve for x
x = 76,648,701,580.25/317,939.06 - Step 6: Final answer
x = 241,079.86
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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.