Finding the Fourth Proportional to 262,368.29, 393,564.69 and 84,889.19
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Solution
The fourth proportional to 262,368.29, 393,564.69 and 84,889.19 is: 127,337.75
Step by Step Solution
- Step 1: Write the proportion equation
262,368.29 : 393,564.69 = 84,889.19 : x - Step 2: Convert to fraction form
262,368.29/393,564.69 = 84,889.19/x - Step 3: Cross multiply
262,368.29x = 393,564.69 × 84,889.19 - Step 4: Simplify right side
262,368.29x = 33,409,388,730.61 - Step 5: Solve for x
x = 33,409,388,730.61/262,368.29 - Step 6: Final answer
x = 127,337.75
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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.