Finding the Fourth Proportional to 189,852.12, 262,010.70 and 104,977.08
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Solution
The fourth proportional to 189,852.12, 262,010.70 and 104,977.08 is: 144,876.54
Step by Step Solution
- Step 1: Write the proportion equation
189,852.12 : 262,010.70 = 104,977.08 : x - Step 2: Convert to fraction form
189,852.12/262,010.70 = 104,977.08/x - Step 3: Cross multiply
189,852.12x = 262,010.70 × 104,977.08 - Step 4: Simplify right side
189,852.12x = 27,505,118,214.76 - Step 5: Solve for x
x = 27,505,118,214.76/189,852.12 - Step 6: Final answer
x = 144,876.54
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1.5x scale
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.