Finding the Fourth Proportional to 543,045.68, 749,408.18 and 301,350.70
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Solution
The fourth proportional to 543,045.68, 749,408.18 and 301,350.70 is: 415,866.82
Step by Step Solution
- Step 1: Write the proportion equation
543,045.68 : 749,408.18 = 301,350.70 : x - Step 2: Convert to fraction form
543,045.68/749,408.18 = 301,350.70/x - Step 3: Cross multiply
543,045.68x = 749,408.18 × 301,350.70 - Step 4: Simplify right side
543,045.68x = 225,834,679,628.73 - Step 5: Solve for x
x = 225,834,679,628.73/543,045.68 - Step 6: Final answer
x = 415,866.82
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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.