Finding the Fourth Proportional to 343,533.06, 515,302.92 and 130,243.62
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Solution
The fourth proportional to 343,533.06, 515,302.92 and 130,243.62 is: 195,366.69
Step by Step Solution
- Step 1: Write the proportion equation
343,533.06 : 515,302.92 = 130,243.62 : x - Step 2: Convert to fraction form
343,533.06/515,302.92 = 130,243.62/x - Step 3: Cross multiply
343,533.06x = 515,302.92 × 130,243.62 - Step 4: Simplify right side
343,533.06x = 67,114,917,697.37 - Step 5: Solve for x
x = 67,114,917,697.37/343,533.06 - Step 6: Final answer
x = 195,366.69
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1.5x scale
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.