Finding the Fourth Proportional to 187,966.74, 259,322.93 and 119,986.26
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Solution
The fourth proportional to 187,966.74, 259,322.93 and 119,986.26 is: 165,535.61
Step by Step Solution
- Step 1: Write the proportion equation
187,966.74 : 259,322.93 = 119,986.26 : x - Step 2: Convert to fraction form
187,966.74/259,322.93 = 119,986.26/x - Step 3: Cross multiply
187,966.74x = 259,322.93 × 119,986.26 - Step 4: Simplify right side
187,966.74x = 31,115,188,502.94 - Step 5: Solve for x
x = 31,115,188,502.94/187,966.74 - Step 6: Final answer
x = 165,535.61
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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.