Finding the Fourth Proportional to 364,678.09, 502,653.39 and 243,775.26
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Solution
The fourth proportional to 364,678.09, 502,653.39 and 243,775.26 is: 336,007.19
Step by Step Solution
- Step 1: Write the proportion equation
364,678.09 : 502,653.39 = 243,775.26 : x - Step 2: Convert to fraction form
364,678.09/502,653.39 = 243,775.26/x - Step 3: Cross multiply
364,678.09x = 502,653.39 × 243,775.26 - Step 4: Simplify right side
364,678.09x = 122,534,460,837.13 - Step 5: Solve for x
x = 122,534,460,837.13/364,678.09 - Step 6: Final answer
x = 336,007.19
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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.