Finding the Fourth Proportional to 211,291.29, 291,582.36 and 115,795.98
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Solution
The fourth proportional to 211,291.29, 291,582.36 and 115,795.98 is: 159,798.66
Step by Step Solution
- Step 1: Write the proportion equation
211,291.29 : 291,582.36 = 115,795.98 : x - Step 2: Convert to fraction form
211,291.29/291,582.36 = 115,795.98/x - Step 3: Cross multiply
211,291.29x = 291,582.36 × 115,795.98 - Step 4: Simplify right side
211,291.29x = 33,764,065,126.91 - Step 5: Solve for x
x = 33,764,065,126.91/211,291.29 - Step 6: Final answer
x = 159,798.66
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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.