Finding the Fourth Proportional to 668,258.23, 1,002,336.93 and 212,831.06
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Solution
The fourth proportional to 668,258.23, 1,002,336.93 and 212,831.06 is: 319,230.53
Step by Step Solution
- Step 1: Write the proportion equation
668,258.23 : 1,002,336.93 = 212,831.06 : x - Step 2: Convert to fraction form
668,258.23/1,002,336.93 = 212,831.06/x - Step 3: Cross multiply
668,258.23x = 1,002,336.93 × 212,831.06 - Step 4: Simplify right side
668,258.23x = 213,328,431,289.05 - Step 5: Solve for x
x = 213,328,431,289.05/668,258.23 - Step 6: Final answer
x = 319,230.53
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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.