Finding the Fourth Proportional to 525,213.23, 787,923.05 and 188,163.05
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Solution
The fourth proportional to 525,213.23, 787,923.05 and 188,163.05 is: 282,281.54
Step by Step Solution
- Step 1: Write the proportion equation
525,213.23 : 787,923.05 = 188,163.05 : x - Step 2: Convert to fraction form
525,213.23/787,923.05 = 188,163.05/x - Step 3: Cross multiply
525,213.23x = 787,923.05 × 188,163.05 - Step 4: Simplify right side
525,213.23x = 148,257,999,372.87 - Step 5: Solve for x
x = 148,257,999,372.87/525,213.23 - Step 6: Final answer
x = 282,281.54
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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.