Finding the Fourth Proportional to 517,459.93, 776,135.30 and 138,418.93
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Solution
The fourth proportional to 517,459.93, 776,135.30 and 138,418.93 is: 207,613.79
Step by Step Solution
- Step 1: Write the proportion equation
517,459.93 : 776,135.30 = 138,418.93 : x - Step 2: Convert to fraction form
517,459.93/776,135.30 = 138,418.93/x - Step 3: Cross multiply
517,459.93x = 776,135.30 × 138,418.93 - Step 4: Simplify right side
517,459.93x = 107,431,817,761.23 - Step 5: Solve for x
x = 107,431,817,761.23/517,459.93 - Step 6: Final answer
x = 207,613.79
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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.