Finding the Fourth Proportional to 235,108.34, 324,455.94 and 138,319.01
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Solution
The fourth proportional to 235,108.34, 324,455.94 and 138,319.01 is: 190,884.02
Step by Step Solution
- Step 1: Write the proportion equation
235,108.34 : 324,455.94 = 138,319.01 : x - Step 2: Convert to fraction form
235,108.34/324,455.94 = 138,319.01/x - Step 3: Cross multiply
235,108.34x = 324,455.94 × 138,319.01 - Step 4: Simplify right side
235,108.34x = 44,878,424,409.42 - Step 5: Solve for x
x = 44,878,424,409.42/235,108.34 - Step 6: Final answer
x = 190,884.02
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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.