Finding the Fourth Proportional to 359,709.12, 496,588.92 and 232,457.31
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Solution
The fourth proportional to 359,709.12, 496,588.92 and 232,457.31 is: 320,914.09
Step by Step Solution
- Step 1: Write the proportion equation
359,709.12 : 496,588.92 = 232,457.31 : x - Step 2: Convert to fraction form
359,709.12/496,588.92 = 232,457.31/x - Step 3: Cross multiply
359,709.12x = 496,588.92 × 232,457.31 - Step 4: Simplify right side
359,709.12x = 115,435,724,519.01 - Step 5: Solve for x
x = 115,435,724,519.01/359,709.12 - Step 6: Final answer
x = 320,914.09
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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.