Finding the Fourth Proportional to 186,277.51, 279,444.21 and 86,447.95
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Solution
The fourth proportional to 186,277.51, 279,444.21 and 86,447.95 is: 129,684.89
Step by Step Solution
- Step 1: Write the proportion equation
186,277.51 : 279,444.21 = 86,447.95 : x - Step 2: Convert to fraction form
186,277.51/279,444.21 = 86,447.95/x - Step 3: Cross multiply
186,277.51x = 279,444.21 × 86,447.95 - Step 4: Simplify right side
186,277.51x = 24,157,378,395.26 - Step 5: Solve for x
x = 24,157,378,395.26/186,277.51 - Step 6: Final answer
x = 129,684.89
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.