Finding the Fourth Proportional to 402,485.68, 603,749.18 and 102,968.84
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Solution
The fourth proportional to 402,485.68, 603,749.18 and 102,968.84 is: 154,458.55
Step by Step Solution
- Step 1: Write the proportion equation
402,485.68 : 603,749.18 = 102,968.84 : x - Step 2: Convert to fraction form
402,485.68/603,749.18 = 102,968.84/x - Step 3: Cross multiply
402,485.68x = 603,749.18 × 102,968.84 - Step 4: Simplify right side
402,485.68x = 62,167,352,715.55 - Step 5: Solve for x
x = 62,167,352,715.55/402,485.68 - Step 6: Final answer
x = 154,458.55
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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.