Finding the Fourth Proportional to 658,134.08, 908,227.86 and 356,328.08
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Solution
The fourth proportional to 658,134.08, 908,227.86 and 356,328.08 is: 491,734.28
Step by Step Solution
- Step 1: Write the proportion equation
658,134.08 : 908,227.86 = 356,328.08 : x - Step 2: Convert to fraction form
658,134.08/908,227.86 = 356,328.08/x - Step 3: Cross multiply
658,134.08x = 908,227.86 × 356,328.08 - Step 4: Simplify right side
658,134.08x = 323,627,089,556.31 - Step 5: Solve for x
x = 323,627,089,556.31/658,134.08 - Step 6: Final answer
x = 491,734.28
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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.