Finding the Fourth Proportional to 679,160.29, 937,195.86 and 373,230.09
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Solution
The fourth proportional to 679,160.29, 937,195.86 and 373,230.09 is: 515,032.61
Step by Step Solution
- Step 1: Write the proportion equation
679,160.29 : 937,195.86 = 373,230.09 : x - Step 2: Convert to fraction form
679,160.29/937,195.86 = 373,230.09/x - Step 3: Cross multiply
679,160.29x = 937,195.86 × 373,230.09 - Step 4: Simplify right side
679,160.29x = 349,789,695,175.43 - Step 5: Solve for x
x = 349,789,695,175.43/679,160.29 - Step 6: Final answer
x = 515,032.61
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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.