Finding the Fourth Proportional to 451,899.36, 677,831.58 and 136,347.84
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Solution
The fourth proportional to 451,899.36, 677,831.58 and 136,347.84 is: 204,516.49
Step by Step Solution
- Step 1: Write the proportion equation
451,899.36 : 677,831.58 = 136,347.84 : x - Step 2: Convert to fraction form
451,899.36/677,831.58 = 136,347.84/x - Step 3: Cross multiply
451,899.36x = 677,831.58 × 136,347.84 - Step 4: Simplify right side
451,899.36x = 92,420,871,816.79 - Step 5: Solve for x
x = 92,420,871,816.79/451,899.36 - Step 6: Final answer
x = 204,516.49
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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.