Finding the Fourth Proportional to 329,743.05, 494,615.40 and 93,085.62
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Solution
The fourth proportional to 329,743.05, 494,615.40 and 93,085.62 is: 139,628.66
Step by Step Solution
- Step 1: Write the proportion equation
329,743.05 : 494,615.40 = 93,085.62 : x - Step 2: Convert to fraction form
329,743.05/494,615.40 = 93,085.62/x - Step 3: Cross multiply
329,743.05x = 494,615.40 × 93,085.62 - Step 4: Simplify right side
329,743.05x = 46,041,581,170.55 - Step 5: Solve for x
x = 46,041,581,170.55/329,743.05 - Step 6: Final answer
x = 139,628.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.