Finding the Fourth Proportional to 543,038.84, 749,382.12 and 301,316.12
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Solution
The fourth proportional to 543,038.84, 749,382.12 and 301,316.12 is: 415,809.88
Step by Step Solution
- Step 1: Write the proportion equation
543,038.84 : 749,382.12 = 301,316.12 : x - Step 2: Convert to fraction form
543,038.84/749,382.12 = 301,316.12/x - Step 3: Cross multiply
543,038.84x = 749,382.12 × 301,316.12 - Step 4: Simplify right side
543,038.84x = 225,800,912,795.77 - Step 5: Solve for x
x = 225,800,912,795.77/543,038.84 - Step 6: Final answer
x = 415,809.88
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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.