Finding the Fourth Proportional to 236,126.07, 325,860.84 and 128,703.06
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Solution
The fourth proportional to 236,126.07, 325,860.84 and 128,703.06 is: 177,613.96
Step by Step Solution
- Step 1: Write the proportion equation
236,126.07 : 325,860.84 = 128,703.06 : x - Step 2: Convert to fraction form
236,126.07/325,860.84 = 128,703.06/x - Step 3: Cross multiply
236,126.07x = 325,860.84 × 128,703.06 - Step 4: Simplify right side
236,126.07x = 41,939,287,242.17 - Step 5: Solve for x
x = 41,939,287,242.17/236,126.07 - Step 6: Final answer
x = 177,613.96
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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.