Finding the Fourth Proportional to 401,678.09, 602,514.53 and 102,156.08
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Solution
The fourth proportional to 401,678.09, 602,514.53 and 102,156.08 is: 153,233.46
Step by Step Solution
- Step 1: Write the proportion equation
401,678.09 : 602,514.53 = 102,156.08 : x - Step 2: Convert to fraction form
401,678.09/602,514.53 = 102,156.08/x - Step 3: Cross multiply
401,678.09x = 602,514.53 × 102,156.08 - Step 4: Simplify right side
401,678.09x = 61,550,521,398.13 - Step 5: Solve for x
x = 61,550,521,398.13/401,678.09 - Step 6: Final answer
x = 153,233.46
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.