Finding the Fourth Proportional to 298,270.68, 411,876.06 and 203,004.96
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Solution
The fourth proportional to 298,270.68, 411,876.06 and 203,004.96 is: 280,325.52
Step by Step Solution
- Step 1: Write the proportion equation
298,270.68 : 411,876.06 = 203,004.96 : x - Step 2: Convert to fraction form
298,270.68/411,876.06 = 203,004.96/x - Step 3: Cross multiply
298,270.68x = 411,876.06 × 203,004.96 - Step 4: Simplify right side
298,270.68x = 83,612,883,085.26 - Step 5: Solve for x
x = 83,612,883,085.26/298,270.68 - Step 6: Final answer
x = 280,325.52
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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.