Finding the Fourth Proportional to 384,743.75, 577,177.64 and 118,504.13
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Solution
The fourth proportional to 384,743.75, 577,177.64 and 118,504.13 is: 177,775.29
Step by Step Solution
- Step 1: Write the proportion equation
384,743.75 : 577,177.64 = 118,504.13 : x - Step 2: Convert to fraction form
384,743.75/577,177.64 = 118,504.13/x - Step 3: Cross multiply
384,743.75x = 577,177.64 × 118,504.13 - Step 4: Simplify right side
384,743.75x = 68,397,933,491.13 - Step 5: Solve for x
x = 68,397,933,491.13/384,743.75 - Step 6: Final answer
x = 177,775.29
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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.