Finding the Fourth Proportional to 211,014.05, 291,199.46 and 115,526.79
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Solution
The fourth proportional to 211,014.05, 291,199.46 and 115,526.79 is: 159,427.01
Step by Step Solution
- Step 1: Write the proportion equation
211,014.05 : 291,199.46 = 115,526.79 : x - Step 2: Convert to fraction form
211,014.05/291,199.46 = 115,526.79/x - Step 3: Cross multiply
211,014.05x = 291,199.46 × 115,526.79 - Step 4: Simplify right side
211,014.05x = 33,641,338,285.90 - Step 5: Solve for x
x = 33,641,338,285.90/211,014.05 - Step 6: Final answer
x = 159,427.01
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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.