Finding the Fourth Proportional to 274,870.86, 411,832.92 and 214,875.99
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Solution
The fourth proportional to 274,870.86, 411,832.92 and 214,875.99 is: 321,943.94
Step by Step Solution
- Step 1: Write the proportion equation
274,870.86 : 411,832.92 = 214,875.99 : x - Step 2: Convert to fraction form
274,870.86/411,832.92 = 214,875.99/x - Step 3: Cross multiply
274,870.86x = 411,832.92 × 214,875.99 - Step 4: Simplify right side
274,870.86x = 88,493,006,399.59 - Step 5: Solve for x
x = 88,493,006,399.59/274,870.86 - Step 6: Final answer
x = 321,943.94
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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.