Finding the Fourth Proportional to 189,730.99, 261,806.47 and 104,842.99
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Solution
The fourth proportional to 189,730.99, 261,806.47 and 104,842.99 is: 144,671.01
Step by Step Solution
- Step 1: Write the proportion equation
189,730.99 : 261,806.47 = 104,842.99 : x - Step 2: Convert to fraction form
189,730.99/261,806.47 = 104,842.99/x - Step 3: Cross multiply
189,730.99x = 261,806.47 × 104,842.99 - Step 4: Simplify right side
189,730.99x = 27,448,573,116.15 - Step 5: Solve for x
x = 27,448,573,116.15/189,730.99 - Step 6: Final answer
x = 144,671.01
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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.