Finding the Fourth Proportional to 211,110.84, 291,333.06 and 115,623.54
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Solution
The fourth proportional to 211,110.84, 291,333.06 and 115,623.54 is: 159,560.54
Step by Step Solution
- Step 1: Write the proportion equation
211,110.84 : 291,333.06 = 115,623.54 : x - Step 2: Convert to fraction form
211,110.84/291,333.06 = 115,623.54/x - Step 3: Cross multiply
211,110.84x = 291,333.06 × 115,623.54 - Step 4: Simplify right side
211,110.84x = 33,684,959,716.23 - Step 5: Solve for x
x = 33,684,959,716.23/211,110.84 - Step 6: Final answer
x = 159,560.54
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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.