Finding the Fourth Proportional to 543,261.24, 749,689.80 and 301,546.68
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Solution
The fourth proportional to 543,261.24, 749,689.80 and 301,546.68 is: 416,128.47
Step by Step Solution
- Step 1: Write the proportion equation
543,261.24 : 749,689.80 = 301,546.68 : x - Step 2: Convert to fraction form
543,261.24/749,689.80 = 301,546.68/x - Step 3: Cross multiply
543,261.24x = 749,689.80 × 301,546.68 - Step 4: Simplify right side
543,261.24x = 226,066,470,219.86 - Step 5: Solve for x
x = 226,066,470,219.86/543,261.24 - Step 6: Final answer
x = 416,128.47
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.