Finding the Fourth Proportional to 211,137.84, 291,370.32 and 115,650.60
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Solution
The fourth proportional to 211,137.84, 291,370.32 and 115,650.60 is: 159,597.88
Step by Step Solution
- Step 1: Write the proportion equation
211,137.84 : 291,370.32 = 115,650.60 : x - Step 2: Convert to fraction form
211,137.84/291,370.32 = 115,650.60/x - Step 3: Cross multiply
211,137.84x = 291,370.32 × 115,650.60 - Step 4: Simplify right side
211,137.84x = 33,697,152,330.19 - Step 5: Solve for x
x = 33,697,152,330.19/211,137.84 - Step 6: Final answer
x = 159,597.88
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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.