Finding the Fourth Proportional to 412,501.20, 576,102 and 412,501.20
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Solution
The fourth proportional to 412,501.20, 576,102 and 412,501.20 is: 576,102
Step by Step Solution
- Step 1: Write the proportion equation
412,501.20 : 576,102 = 412,501.20 : x - Step 2: Convert to fraction form
412,501.20/576,102 = 412,501.20/x - Step 3: Cross multiply
412,501.20x = 576,102 × 412,501.20 - Step 4: Simplify right side
412,501.20x = 237,642,766,322.40 - Step 5: Solve for x
x = 237,642,766,322.40/412,501.20 - Step 6: Final answer
x = 576,102
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.