Finding the Fourth Proportional to 211,285.44, 291,574.32 and 115,795.68
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Solution
The fourth proportional to 211,285.44, 291,574.32 and 115,795.68 is: 159,798.26
Step by Step Solution
- Step 1: Write the proportion equation
211,285.44 : 291,574.32 = 115,795.68 : x - Step 2: Convert to fraction form
211,285.44/291,574.32 = 115,795.68/x - Step 3: Cross multiply
211,285.44x = 291,574.32 × 115,795.68 - Step 4: Simplify right side
211,285.44x = 33,763,046,654.94 - Step 5: Solve for x
x = 33,763,046,654.94/211,285.44 - Step 6: Final answer
x = 159,798.26
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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.