Finding the Fourth Proportional to 214,411.24, 321,487.26 and 102,125.80
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Solution
The fourth proportional to 214,411.24, 321,487.26 and 102,125.80 is: 153,126.97
Step by Step Solution
- Step 1: Write the proportion equation
214,411.24 : 321,487.26 = 102,125.80 : x - Step 2: Convert to fraction form
214,411.24/321,487.26 = 102,125.80/x - Step 3: Cross multiply
214,411.24x = 321,487.26 × 102,125.80 - Step 4: Simplify right side
214,411.24x = 32,832,143,617.31 - Step 5: Solve for x
x = 32,832,143,617.31/214,411.24 - Step 6: Final answer
x = 153,126.97
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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.