Finding the Fourth Proportional to 236,184.30, 325,926.75 and 128,752.62
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Solution
The fourth proportional to 236,184.30, 325,926.75 and 128,752.62 is: 177,674.48
Step by Step Solution
- Step 1: Write the proportion equation
236,184.30 : 325,926.75 = 128,752.62 : x - Step 2: Convert to fraction form
236,184.30/325,926.75 = 128,752.62/x - Step 3: Cross multiply
236,184.30x = 325,926.75 × 128,752.62 - Step 4: Simplify right side
236,184.30x = 41,963,922,990.59 - Step 5: Solve for x
x = 41,963,922,990.59/236,184.30 - Step 6: Final answer
x = 177,674.48
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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.