Finding the Fourth Proportional to 497,071.60, 685,975.98 and 282,204.52
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Solution
The fourth proportional to 497,071.60, 685,975.98 and 282,204.52 is: 389,451.99
Step by Step Solution
- Step 1: Write the proportion equation
497,071.60 : 685,975.98 = 282,204.52 : x - Step 2: Convert to fraction form
497,071.60/685,975.98 = 282,204.52/x - Step 3: Cross multiply
497,071.60x = 685,975.98 × 282,204.52 - Step 4: Simplify right side
497,071.60x = 193,585,522,167.43 - Step 5: Solve for x
x = 193,585,522,167.43/497,071.60 - Step 6: Final answer
x = 389,451.99
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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.