Finding the Fourth Proportional to 320,006.70, 480,010.05 and 201,293.10
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Solution
The fourth proportional to 320,006.70, 480,010.05 and 201,293.10 is: 301,939.65
Step by Step Solution
- Step 1: Write the proportion equation
320,006.70 : 480,010.05 = 201,293.10 : x - Step 2: Convert to fraction form
320,006.70/480,010.05 = 201,293.10/x - Step 3: Cross multiply
320,006.70x = 480,010.05 × 201,293.10 - Step 4: Simplify right side
320,006.70x = 96,622,710,995.66 - Step 5: Solve for x
x = 96,622,710,995.66/320,006.70 - Step 6: Final answer
x = 301,939.65
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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.