Finding the Fourth Proportional to 343,336.48, 515,027.36 and 118,718.64
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Solution
The fourth proportional to 343,336.48, 515,027.36 and 118,718.64 is: 178,085.79
Step by Step Solution
- Step 1: Write the proportion equation
343,336.48 : 515,027.36 = 118,718.64 : x - Step 2: Convert to fraction form
343,336.48/515,027.36 = 118,718.64/x - Step 3: Cross multiply
343,336.48x = 515,027.36 × 118,718.64 - Step 4: Simplify right side
343,336.48x = 61,143,347,741.99 - Step 5: Solve for x
x = 61,143,347,741.99/343,336.48 - Step 6: Final answer
x = 178,085.79
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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.