Finding the Fourth Proportional to 543,313.36, 749,769.12 and 301,630.96
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Solution
The fourth proportional to 543,313.36, 749,769.12 and 301,630.96 is: 416,248.88
Step by Step Solution
- Step 1: Write the proportion equation
543,313.36 : 749,769.12 = 301,630.96 : x - Step 2: Convert to fraction form
543,313.36/749,769.12 = 301,630.96/x - Step 3: Cross multiply
543,313.36x = 749,769.12 × 301,630.96 - Step 4: Simplify right side
543,313.36x = 226,153,579,443.96 - Step 5: Solve for x
x = 226,153,579,443.96/543,313.36 - Step 6: Final answer
x = 416,248.88
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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.