Finding the Fourth Proportional to 211,921.56, 292,322.04 and 125,822.14
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Solution
The fourth proportional to 211,921.56, 292,322.04 and 125,822.14 is: 173,557.54
Step by Step Solution
- Step 1: Write the proportion equation
211,921.56 : 292,322.04 = 125,822.14 : x - Step 2: Convert to fraction form
211,921.56/292,322.04 = 125,822.14/x - Step 3: Cross multiply
211,921.56x = 292,322.04 × 125,822.14 - Step 4: Simplify right side
211,921.56x = 36,780,584,641.97 - Step 5: Solve for x
x = 36,780,584,641.97/211,921.56 - Step 6: Final answer
x = 173,557.54
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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.