Finding the Fourth Proportional to 170,554.11, 255,831.84 and 76,950.51
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Solution
The fourth proportional to 170,554.11, 255,831.84 and 76,950.51 is: 115,426.07
Step by Step Solution
- Step 1: Write the proportion equation
170,554.11 : 255,831.84 = 76,950.51 : x - Step 2: Convert to fraction form
170,554.11/255,831.84 = 76,950.51/x - Step 3: Cross multiply
170,554.11x = 255,831.84 × 76,950.51 - Step 4: Simplify right side
170,554.11x = 19,686,390,562.24 - Step 5: Solve for x
x = 19,686,390,562.24/170,554.11 - Step 6: Final answer
x = 115,426.07
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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.