Finding the Fourth Proportional to 189,802.24, 261,904.08 and 104,907.52
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Solution
The fourth proportional to 189,802.24, 261,904.08 and 104,907.52 is: 144,759.66
Step by Step Solution
- Step 1: Write the proportion equation
189,802.24 : 261,904.08 = 104,907.52 : x - Step 2: Convert to fraction form
189,802.24/261,904.08 = 104,907.52/x - Step 3: Cross multiply
189,802.24x = 261,904.08 × 104,907.52 - Step 4: Simplify right side
189,802.24x = 27,475,707,510.68 - Step 5: Solve for x
x = 27,475,707,510.68/189,802.24 - Step 6: Final answer
x = 144,759.66
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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.