Finding the Fourth Proportional to 197,495.78, 272,543.88 and 106,851.44
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Solution
The fourth proportional to 197,495.78, 272,543.88 and 106,851.44 is: 147,454.83
Step by Step Solution
- Step 1: Write the proportion equation
197,495.78 : 272,543.88 = 106,851.44 : x - Step 2: Convert to fraction form
197,495.78/272,543.88 = 106,851.44/x - Step 3: Cross multiply
197,495.78x = 272,543.88 × 106,851.44 - Step 4: Simplify right side
197,495.78x = 29,121,706,041.19 - Step 5: Solve for x
x = 29,121,706,041.19/197,495.78 - Step 6: Final answer
x = 147,454.83
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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.