Finding the Fourth Proportional to 197,540.83, 272,610.99 and 112,656.07
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Solution
The fourth proportional to 197,540.83, 272,610.99 and 112,656.07 is: 155,468.02
Step by Step Solution
- Step 1: Write the proportion equation
197,540.83 : 272,610.99 = 112,656.07 : x - Step 2: Convert to fraction form
197,540.83/272,610.99 = 112,656.07/x - Step 3: Cross multiply
197,540.83x = 272,610.99 × 112,656.07 - Step 4: Simplify right side
197,540.83x = 30,711,281,409.15 - Step 5: Solve for x
x = 30,711,281,409.15/197,540.83 - Step 6: Final answer
x = 155,468.02
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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.