Finding the Fourth Proportional to 197,080.08, 271,970.76 and 107,656.08
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Solution
The fourth proportional to 197,080.08, 271,970.76 and 107,656.08 is: 148,565.53
Step by Step Solution
- Step 1: Write the proportion equation
197,080.08 : 271,970.76 = 107,656.08 : x - Step 2: Convert to fraction form
197,080.08/271,970.76 = 107,656.08/x - Step 3: Cross multiply
197,080.08x = 271,970.76 × 107,656.08 - Step 4: Simplify right side
197,080.08x = 29,279,305,896.22 - Step 5: Solve for x
x = 29,279,305,896.22/197,080.08 - Step 6: Final answer
x = 148,565.53
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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.