Finding the Fourth Proportional to 418,866.12, 578,035.38 and 237,519.96
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Solution
The fourth proportional to 418,866.12, 578,035.38 and 237,519.96 is: 327,777.62
Step by Step Solution
- Step 1: Write the proportion equation
418,866.12 : 578,035.38 = 237,519.96 : x - Step 2: Convert to fraction form
418,866.12/578,035.38 = 237,519.96/x - Step 3: Cross multiply
418,866.12x = 578,035.38 × 237,519.96 - Step 4: Simplify right side
418,866.12x = 137,294,940,336.19 - Step 5: Solve for x
x = 137,294,940,336.19/418,866.12 - Step 6: Final answer
x = 327,777.62
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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.