Finding the Fourth Proportional to 343,750.20, 515,625.30 and 231,775.80
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Solution
The fourth proportional to 343,750.20, 515,625.30 and 231,775.80 is: 347,663.70
Step by Step Solution
- Step 1: Write the proportion equation
343,750.20 : 515,625.30 = 231,775.80 : x - Step 2: Convert to fraction form
343,750.20/515,625.30 = 231,775.80/x - Step 3: Cross multiply
343,750.20x = 515,625.30 × 231,775.80 - Step 4: Simplify right side
343,750.20x = 119,509,466,407.74 - Step 5: Solve for x
x = 119,509,466,407.74/343,750.20 - Step 6: Final answer
x = 347,663.70
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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.