Finding the Fourth Proportional to 634,710.96, 952,069.68 and 213,990.48
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Solution
The fourth proportional to 634,710.96, 952,069.68 and 213,990.48 is: 320,986.81
Step by Step Solution
- Step 1: Write the proportion equation
634,710.96 : 952,069.68 = 213,990.48 : x - Step 2: Convert to fraction form
634,710.96/952,069.68 = 213,990.48/x - Step 3: Cross multiply
634,710.96x = 952,069.68 × 213,990.48 - Step 4: Simplify right side
634,710.96x = 203,733,847,816.65 - Step 5: Solve for x
x = 203,733,847,816.65/634,710.96 - Step 6: Final answer
x = 320,986.81
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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.