Finding the Fourth Proportional to 211,801.26, 292,038.79 and 157,992.87
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Solution
The fourth proportional to 211,801.26, 292,038.79 and 157,992.87 is: 217,845.95
Step by Step Solution
- Step 1: Write the proportion equation
211,801.26 : 292,038.79 = 157,992.87 : x - Step 2: Convert to fraction form
211,801.26/292,038.79 = 157,992.87/x - Step 3: Cross multiply
211,801.26x = 292,038.79 × 157,992.87 - Step 4: Simplify right side
211,801.26x = 46,140,046,583.43 - Step 5: Solve for x
x = 46,140,046,583.43/211,801.26 - Step 6: Final answer
x = 217,845.95
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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.