Finding the Fourth Proportional to 398,831.80, 598,072.56 and 149,338.84
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Solution
The fourth proportional to 398,831.80, 598,072.56 and 149,338.84 is: 223,942.68
Step by Step Solution
- Step 1: Write the proportion equation
398,831.80 : 598,072.56 = 149,338.84 : x - Step 2: Convert to fraction form
398,831.80/598,072.56 = 149,338.84/x - Step 3: Cross multiply
398,831.80x = 598,072.56 × 149,338.84 - Step 4: Simplify right side
398,831.80x = 89,315,462,346.23 - Step 5: Solve for x
x = 89,315,462,346.23/398,831.80 - Step 6: Final answer
x = 223,942.68
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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.