Finding the Fourth Proportional to 317,806.75, 438,573.36 and 174,569.23
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Solution
The fourth proportional to 317,806.75, 438,573.36 and 174,569.23 is: 240,905.56
Step by Step Solution
- Step 1: Write the proportion equation
317,806.75 : 438,573.36 = 174,569.23 : x - Step 2: Convert to fraction form
317,806.75/438,573.36 = 174,569.23/x - Step 3: Cross multiply
317,806.75x = 438,573.36 × 174,569.23 - Step 4: Simplify right side
317,806.75x = 76,561,413,753.71 - Step 5: Solve for x
x = 76,561,413,753.71/317,806.75 - Step 6: Final answer
x = 240,905.56
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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.