Finding the Fourth Proportional to 211,032.61, 291,223.15 and 114,235.99
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Solution
The fourth proportional to 211,032.61, 291,223.15 and 114,235.99 is: 157,644.66
Step by Step Solution
- Step 1: Write the proportion equation
211,032.61 : 291,223.15 = 114,235.99 : x - Step 2: Convert to fraction form
211,032.61/291,223.15 = 114,235.99/x - Step 3: Cross multiply
211,032.61x = 291,223.15 × 114,235.99 - Step 4: Simplify right side
211,032.61x = 33,268,163,837.52 - Step 5: Solve for x
x = 33,268,163,837.52/211,032.61 - Step 6: Final answer
x = 157,644.66
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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.