Finding the Fourth Proportional to 221,098.99, 305,117.63 and 125,610.92
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Solution
The fourth proportional to 221,098.99, 305,117.63 and 125,610.92 is: 173,343.66
Step by Step Solution
- Step 1: Write the proportion equation
221,098.99 : 305,117.63 = 125,610.92 : x - Step 2: Convert to fraction form
221,098.99/305,117.63 = 125,610.92/x - Step 3: Cross multiply
221,098.99x = 305,117.63 × 125,610.92 - Step 4: Simplify right side
221,098.99x = 38,326,108,096.96 - Step 5: Solve for x
x = 38,326,108,096.96/221,098.99 - Step 6: Final answer
x = 173,343.66
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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.