Finding the Fourth Proportional to 197,566.32, 272,638.74 and 112,684.80
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Solution
The fourth proportional to 197,566.32, 272,638.74 and 112,684.80 is: 155,503.44
Step by Step Solution
- Step 1: Write the proportion equation
197,566.32 : 272,638.74 = 112,684.80 : x - Step 2: Convert to fraction form
197,566.32/272,638.74 = 112,684.80/x - Step 3: Cross multiply
197,566.32x = 272,638.74 × 112,684.80 - Step 4: Simplify right side
197,566.32x = 30,722,241,889.15 - Step 5: Solve for x
x = 30,722,241,889.15/197,566.32 - Step 6: Final answer
x = 155,503.44
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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.