Finding the Fourth Proportional to 236,084.04, 325,787.70 and 128,651.88
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Solution
The fourth proportional to 236,084.04, 325,787.70 and 128,651.88 is: 177,535.08
Step by Step Solution
- Step 1: Write the proportion equation
236,084.04 : 325,787.70 = 128,651.88 : x - Step 2: Convert to fraction form
236,084.04/325,787.70 = 128,651.88/x - Step 3: Cross multiply
236,084.04x = 325,787.70 × 128,651.88 - Step 4: Simplify right side
236,084.04x = 41,913,200,085.88 - Step 5: Solve for x
x = 41,913,200,085.88/236,084.04 - Step 6: Final answer
x = 177,535.08
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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.