Finding the Fourth Proportional to 235,059.88, 324,411.32 and 138,259.12
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Solution
The fourth proportional to 235,059.88, 324,411.32 and 138,259.12 is: 190,814.46
Step by Step Solution
- Step 1: Write the proportion equation
235,059.88 : 324,411.32 = 138,259.12 : x - Step 2: Convert to fraction form
235,059.88/324,411.32 = 138,259.12/x - Step 3: Cross multiply
235,059.88x = 324,411.32 × 138,259.12 - Step 4: Simplify right side
235,059.88x = 44,852,823,621.24 - Step 5: Solve for x
x = 44,852,823,621.24/235,059.88 - Step 6: Final answer
x = 190,814.46
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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.