Finding the Fourth Proportional to 211,881.17, 292,324.63 and 119,987.87
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Solution
The fourth proportional to 211,881.17, 292,324.63 and 119,987.87 is: 165,542.84
Step by Step Solution
- Step 1: Write the proportion equation
211,881.17 : 292,324.63 = 119,987.87 : x - Step 2: Convert to fraction form
211,881.17/292,324.63 = 119,987.87/x - Step 3: Cross multiply
211,881.17x = 292,324.63 × 119,987.87 - Step 4: Simplify right side
211,881.17x = 35,075,409,702.24 - Step 5: Solve for x
x = 35,075,409,702.24/211,881.17 - Step 6: Final answer
x = 165,542.84
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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.