Finding the Fourth Proportional to 317,655.27, 438,364.74 and 174,424.44
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Solution
The fourth proportional to 317,655.27, 438,364.74 and 174,424.44 is: 240,705.98
Step by Step Solution
- Step 1: Write the proportion equation
317,655.27 : 438,364.74 = 174,424.44 : x - Step 2: Convert to fraction form
317,655.27/438,364.74 = 174,424.44/x - Step 3: Cross multiply
317,655.27x = 438,364.74 × 174,424.44 - Step 4: Simplify right side
317,655.27x = 76,461,524,290.25 - Step 5: Solve for x
x = 76,461,524,290.25/317,655.27 - Step 6: Final answer
x = 240,705.98
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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.