Finding the Fourth Proportional to 343,602.92, 515,278.02 and 118,905.68
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Solution
The fourth proportional to 343,602.92, 515,278.02 and 118,905.68 is: 178,314.79
Step by Step Solution
- Step 1: Write the proportion equation
343,602.92 : 515,278.02 = 118,905.68 : x - Step 2: Convert to fraction form
343,602.92/515,278.02 = 118,905.68/x - Step 3: Cross multiply
343,602.92x = 515,278.02 × 118,905.68 - Step 4: Simplify right side
343,602.92x = 61,269,483,357.15 - Step 5: Solve for x
x = 61,269,483,357.15/343,602.92 - Step 6: Final answer
x = 178,314.79
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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.