Finding the Fourth Proportional to 402,163.74, 603,319.77 and 132,307.07
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Solution
The fourth proportional to 402,163.74, 603,319.77 and 132,307.07 is: 198,485.00
Step by Step Solution
- Step 1: Write the proportion equation
402,163.74 : 603,319.77 = 132,307.07 : x - Step 2: Convert to fraction form
402,163.74/603,319.77 = 132,307.07/x - Step 3: Cross multiply
402,163.74x = 603,319.77 × 132,307.07 - Step 4: Simplify right side
402,163.74x = 79,823,468,025.18 - Step 5: Solve for x
x = 79,823,468,025.18/402,163.74 - Step 6: Final answer
x = 198,485.00
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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.