Finding the Fourth Proportional to 524,738.46, 787,163.93 and 145,660.79
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Solution
The fourth proportional to 524,738.46, 787,163.93 and 145,660.79 is: 218,506.79
Step by Step Solution
- Step 1: Write the proportion equation
524,738.46 : 787,163.93 = 145,660.79 : x - Step 2: Convert to fraction form
524,738.46/787,163.93 = 145,660.79/x - Step 3: Cross multiply
524,738.46x = 787,163.93 × 145,660.79 - Step 4: Simplify right side
524,738.46x = 114,658,915,239.18 - Step 5: Solve for x
x = 114,658,915,239.18/524,738.46 - Step 6: Final answer
x = 218,506.79
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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.