Finding the Fourth Proportional to 211,975.92, 292,404.96 and 132,349.68
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Solution
The fourth proportional to 211,975.92, 292,404.96 and 132,349.68 is: 182,566.51
Step by Step Solution
- Step 1: Write the proportion equation
211,975.92 : 292,404.96 = 132,349.68 : x - Step 2: Convert to fraction form
211,975.92/292,404.96 = 132,349.68/x - Step 3: Cross multiply
211,975.92x = 292,404.96 × 132,349.68 - Step 4: Simplify right side
211,975.92x = 38,699,702,886.41 - Step 5: Solve for x
x = 38,699,702,886.41/211,975.92 - Step 6: Final answer
x = 182,566.51
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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.