Finding the Fourth Proportional to 197,486.99, 272,531.75 and 106,842.76
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Solution
The fourth proportional to 197,486.99, 272,531.75 and 106,842.76 is: 147,442.85
Step by Step Solution
- Step 1: Write the proportion equation
197,486.99 : 272,531.75 = 106,842.76 : x - Step 2: Convert to fraction form
197,486.99/272,531.75 = 106,842.76/x - Step 3: Cross multiply
197,486.99x = 272,531.75 × 106,842.76 - Step 4: Simplify right side
197,486.99x = 29,118,044,357.63 - Step 5: Solve for x
x = 29,118,044,357.63/197,486.99 - Step 6: Final answer
x = 147,442.85
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1.5x scale
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.