Finding the Fourth Proportional to 235,966.88, 325,631.76 and 135,380.64
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Solution
The fourth proportional to 235,966.88, 325,631.76 and 135,380.64 is: 186,823.83
Step by Step Solution
- Step 1: Write the proportion equation
235,966.88 : 325,631.76 = 135,380.64 : x - Step 2: Convert to fraction form
235,966.88/325,631.76 = 135,380.64/x - Step 3: Cross multiply
235,966.88x = 325,631.76 × 135,380.64 - Step 4: Simplify right side
235,966.88x = 44,084,236,073.13 - Step 5: Solve for x
x = 44,084,236,073.13/235,966.88 - Step 6: Final answer
x = 186,823.83
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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.