Finding the Fourth Proportional to 190,376.08, 262,715.84 and 104,334.40
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Solution
The fourth proportional to 190,376.08, 262,715.84 and 104,334.40 is: 143,979.75
Step by Step Solution
- Step 1: Write the proportion equation
190,376.08 : 262,715.84 = 104,334.40 : x - Step 2: Convert to fraction form
190,376.08/262,715.84 = 104,334.40/x - Step 3: Cross multiply
190,376.08x = 262,715.84 × 104,334.40 - Step 4: Simplify right side
190,376.08x = 27,410,299,536.90 - Step 5: Solve for x
x = 27,410,299,536.90/190,376.08 - Step 6: Final answer
x = 143,979.75
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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.