Finding the Fourth Proportional to 186,681.75, 257,610.67 and 106,098.09
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Solution
The fourth proportional to 186,681.75, 257,610.67 and 106,098.09 is: 146,409.60
Step by Step Solution
- Step 1: Write the proportion equation
186,681.75 : 257,610.67 = 106,098.09 : x - Step 2: Convert to fraction form
186,681.75/257,610.67 = 106,098.09/x - Step 3: Cross multiply
186,681.75x = 257,610.67 × 106,098.09 - Step 4: Simplify right side
186,681.75x = 27,332,000,050.62 - Step 5: Solve for x
x = 27,332,000,050.62/186,681.75 - Step 6: Final answer
x = 146,409.60
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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.