Finding the Fourth Proportional to 412,855.60, 619,283.40 and 235,708.60
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Solution
The fourth proportional to 412,855.60, 619,283.40 and 235,708.60 is: 353,562.90
Step by Step Solution
- Step 1: Write the proportion equation
412,855.60 : 619,283.40 = 235,708.60 : x - Step 2: Convert to fraction form
412,855.60/619,283.40 = 235,708.60/x - Step 3: Cross multiply
412,855.60x = 619,283.40 × 235,708.60 - Step 4: Simplify right side
412,855.60x = 145,970,423,217.24 - Step 5: Solve for x
x = 145,970,423,217.24/412,855.60 - Step 6: Final answer
x = 353,562.90
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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.