Finding the Fourth Proportional to 197,656.71, 272,765.87 and 107,012.66
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Solution
The fourth proportional to 197,656.71, 272,765.87 and 107,012.66 is: 147,677.26
Step by Step Solution
- Step 1: Write the proportion equation
197,656.71 : 272,765.87 = 107,012.66 : x - Step 2: Convert to fraction form
197,656.71/272,765.87 = 107,012.66/x - Step 3: Cross multiply
197,656.71x = 272,765.87 × 107,012.66 - Step 4: Simplify right side
197,656.71x = 29,189,400,831.19 - Step 5: Solve for x
x = 29,189,400,831.19/197,656.71 - Step 6: Final answer
x = 147,677.26
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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.