Finding the Fourth Proportional to 513,141.23, 769,836.99 and 361,633.77
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Solution
The fourth proportional to 513,141.23, 769,836.99 and 361,633.77 is: 542,538.85
Step by Step Solution
- Step 1: Write the proportion equation
513,141.23 : 769,836.99 = 361,633.77 : x - Step 2: Convert to fraction form
513,141.23/769,836.99 = 361,633.77/x - Step 3: Cross multiply
513,141.23x = 769,836.99 × 361,633.77 - Step 4: Simplify right side
513,141.23x = 278,399,054,335.28 - Step 5: Solve for x
x = 278,399,054,335.28/513,141.23 - Step 6: Final answer
x = 542,538.85
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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.