Finding the Fourth Proportional to 125,209.40, 187,831.64 and 40,976.19
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Solution
The fourth proportional to 125,209.40, 187,831.64 and 40,976.19 is: 61,470.02
Step by Step Solution
- Step 1: Write the proportion equation
125,209.40 : 187,831.64 = 40,976.19 : x - Step 2: Convert to fraction form
125,209.40/187,831.64 = 40,976.19/x - Step 3: Cross multiply
125,209.40x = 187,831.64 × 40,976.19 - Step 4: Simplify right side
125,209.40x = 7,696,624,229.05 - Step 5: Solve for x
x = 7,696,624,229.05/125,209.40 - Step 6: Final answer
x = 61,470.02
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.