Finding the Fourth Proportional to 291,894.96, 437,868.36 and 104,959.92
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Solution
The fourth proportional to 291,894.96, 437,868.36 and 104,959.92 is: 157,449.20
Step by Step Solution
- Step 1: Write the proportion equation
291,894.96 : 437,868.36 = 104,959.92 : x - Step 2: Convert to fraction form
291,894.96/437,868.36 = 104,959.92/x - Step 3: Cross multiply
291,894.96x = 437,868.36 × 104,959.92 - Step 4: Simplify right side
291,894.96x = 45,958,628,036.13 - Step 5: Solve for x
x = 45,958,628,036.13/291,894.96 - Step 6: Final answer
x = 157,449.20
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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.