Finding the Fourth Proportional to 197,089.98, 271,984.42 and 112,207.04
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Solution
The fourth proportional to 197,089.98, 271,984.42 and 112,207.04 is: 154,845.86
Step by Step Solution
- Step 1: Write the proportion equation
197,089.98 : 271,984.42 = 112,207.04 : x - Step 2: Convert to fraction form
197,089.98/271,984.42 = 112,207.04/x - Step 3: Cross multiply
197,089.98x = 271,984.42 × 112,207.04 - Step 4: Simplify right side
197,089.98x = 30,518,566,694.32 - Step 5: Solve for x
x = 30,518,566,694.32/197,089.98 - Step 6: Final answer
x = 154,845.86
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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.