Finding the Fourth Proportional to 189,868.74, 262,024.11 and 104,988.84
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Solution
The fourth proportional to 189,868.74, 262,024.11 and 104,988.84 is: 144,887.50
Step by Step Solution
- Step 1: Write the proportion equation
189,868.74 : 262,024.11 = 104,988.84 : x - Step 2: Convert to fraction form
189,868.74/262,024.11 = 104,988.84/x - Step 3: Cross multiply
189,868.74x = 262,024.11 × 104,988.84 - Step 4: Simplify right side
189,868.74x = 27,509,607,360.93 - Step 5: Solve for x
x = 27,509,607,360.93/189,868.74 - Step 6: Final answer
x = 144,887.50
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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.