Finding the Fourth Proportional to 211,052.13, 291,259.26 and 115,559.48
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Solution
The fourth proportional to 211,052.13, 291,259.26 and 115,559.48 is: 159,476.08
Step by Step Solution
- Step 1: Write the proportion equation
211,052.13 : 291,259.26 = 115,559.48 : x - Step 2: Convert to fraction form
211,052.13/291,259.26 = 115,559.48/x - Step 3: Cross multiply
211,052.13x = 291,259.26 × 115,559.48 - Step 4: Simplify right side
211,052.13x = 33,657,767,174.49 - Step 5: Solve for x
x = 33,657,767,174.49/211,052.13 - Step 6: Final answer
x = 159,476.08
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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.