Finding the Fourth Proportional to 438,010.08, 604,452.64 and 236,806.08
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Solution
The fourth proportional to 438,010.08, 604,452.64 and 236,806.08 is: 326,791.70
Step by Step Solution
- Step 1: Write the proportion equation
438,010.08 : 604,452.64 = 236,806.08 : x - Step 2: Convert to fraction form
438,010.08/604,452.64 = 236,806.08/x - Step 3: Cross multiply
438,010.08x = 604,452.64 × 236,806.08 - Step 4: Simplify right side
438,010.08x = 143,138,060,224.05 - Step 5: Solve for x
x = 143,138,060,224.05/438,010.08 - Step 6: Final answer
x = 326,791.70
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1.5x scale
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.