Finding the Fourth Proportional to 208,831.98, 313,177.74 and 75,684.36
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Solution
The fourth proportional to 208,831.98, 313,177.74 and 75,684.36 is: 113,501.09
Step by Step Solution
- Step 1: Write the proportion equation
208,831.98 : 313,177.74 = 75,684.36 : x - Step 2: Convert to fraction form
208,831.98/313,177.74 = 75,684.36/x - Step 3: Cross multiply
208,831.98x = 313,177.74 × 75,684.36 - Step 4: Simplify right side
208,831.98x = 23,702,656,818.15 - Step 5: Solve for x
x = 23,702,656,818.15/208,831.98 - Step 6: Final answer
x = 113,501.09
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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.