Finding the Fourth Proportional to 211,674.96, 292,111.07 and 121,032.63
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Solution
The fourth proportional to 211,674.96, 292,111.07 and 121,032.63 is: 167,024.81
Step by Step Solution
- Step 1: Write the proportion equation
211,674.96 : 292,111.07 = 121,032.63 : x - Step 2: Convert to fraction form
211,674.96/292,111.07 = 121,032.63/x - Step 3: Cross multiply
211,674.96x = 292,111.07 × 121,032.63 - Step 4: Simplify right side
211,674.96x = 35,354,970,449.05 - Step 5: Solve for x
x = 35,354,970,449.05/211,674.96 - Step 6: Final answer
x = 167,024.81
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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.