Finding the Fourth Proportional to 236,275.99, 326,060.93 and 128,843.26
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Solution
The fourth proportional to 236,275.99, 326,060.93 and 128,843.26 is: 177,803.73
Step by Step Solution
- Step 1: Write the proportion equation
236,275.99 : 326,060.93 = 128,843.26 : x - Step 2: Convert to fraction form
236,275.99/326,060.93 = 128,843.26/x - Step 3: Cross multiply
236,275.99x = 326,060.93 × 128,843.26 - Step 4: Simplify right side
236,275.99x = 42,010,752,535.62 - Step 5: Solve for x
x = 42,010,752,535.62/236,275.99 - Step 6: Final answer
x = 177,803.73
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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.