Finding the Fourth Proportional to 144,539.84, 216,529.20 and 106,520.06
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Solution
The fourth proportional to 144,539.84, 216,529.20 and 106,520.06 is: 159,573.33
Step by Step Solution
- Step 1: Write the proportion equation
144,539.84 : 216,529.20 = 106,520.06 : x - Step 2: Convert to fraction form
144,539.84/216,529.20 = 106,520.06/x - Step 3: Cross multiply
144,539.84x = 216,529.20 × 106,520.06 - Step 4: Simplify right side
144,539.84x = 23,064,703,917.08 - Step 5: Solve for x
x = 23,064,703,917.08/144,539.84 - Step 6: Final answer
x = 159,573.33
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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.