Finding the Fourth Proportional to 343,582.60, 515,762.70 and 203,420.20
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Solution
The fourth proportional to 343,582.60, 515,762.70 and 203,420.20 is: 305,360.49
Step by Step Solution
- Step 1: Write the proportion equation
343,582.60 : 515,762.70 = 203,420.20 : x - Step 2: Convert to fraction form
343,582.60/515,762.70 = 203,420.20/x - Step 3: Cross multiply
343,582.60x = 515,762.70 × 203,420.20 - Step 4: Simplify right side
343,582.60x = 104,916,551,586.54 - Step 5: Solve for x
x = 104,916,551,586.54/343,582.60 - Step 6: Final answer
x = 305,360.49
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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.