Finding the Fourth Proportional to 410,829.60, 616,762.80 and 221,440.80
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Solution
The fourth proportional to 410,829.60, 616,762.80 and 221,440.80 is: 332,440.62
Step by Step Solution
- Step 1: Write the proportion equation
410,829.60 : 616,762.80 = 221,440.80 : x - Step 2: Convert to fraction form
410,829.60/616,762.80 = 221,440.80/x - Step 3: Cross multiply
410,829.60x = 616,762.80 × 221,440.80 - Step 4: Simplify right side
410,829.60x = 136,576,447,842.24 - Step 5: Solve for x
x = 136,576,447,842.24/410,829.60 - Step 6: Final answer
x = 332,440.62
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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.