Finding the Fourth Proportional to 317,810.24, 438,580.74 and 174,573.48
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Solution
The fourth proportional to 317,810.24, 438,580.74 and 174,573.48 is: 240,912.84
Step by Step Solution
- Step 1: Write the proportion equation
317,810.24 : 438,580.74 = 174,573.48 : x - Step 2: Convert to fraction form
317,810.24/438,580.74 = 174,573.48/x - Step 3: Cross multiply
317,810.24x = 438,580.74 × 174,573.48 - Step 4: Simplify right side
317,810.24x = 76,564,566,042.78 - Step 5: Solve for x
x = 76,564,566,042.78/317,810.24 - Step 6: Final answer
x = 240,912.84
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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.