Finding the Fourth Proportional to 214,643.60, 296,193.36 and 119,142.78
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Solution
The fourth proportional to 214,643.60, 296,193.36 and 119,142.78 is: 164,408.82
Step by Step Solution
- Step 1: Write the proportion equation
214,643.60 : 296,193.36 = 119,142.78 : x - Step 2: Convert to fraction form
214,643.60/296,193.36 = 119,142.78/x - Step 3: Cross multiply
214,643.60x = 296,193.36 × 119,142.78 - Step 4: Simplify right side
214,643.60x = 35,289,300,327.94 - Step 5: Solve for x
x = 35,289,300,327.94/214,643.60 - Step 6: Final answer
x = 164,408.82
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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.