Finding the Fourth Proportional to 212,745.95, 293,585.61 and 115,950.68
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Solution
The fourth proportional to 212,745.95, 293,585.61 and 115,950.68 is: 160,009.87
Step by Step Solution
- Step 1: Write the proportion equation
212,745.95 : 293,585.61 = 115,950.68 : x - Step 2: Convert to fraction form
212,745.95/293,585.61 = 115,950.68/x - Step 3: Cross multiply
212,745.95x = 293,585.61 × 115,950.68 - Step 4: Simplify right side
212,745.95x = 34,041,451,117.71 - Step 5: Solve for x
x = 34,041,451,117.71/212,745.95 - Step 6: Final answer
x = 160,009.87
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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.