Finding the Fourth Proportional to 534,318.99, 737,354.95 and 289,302.56
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Solution
The fourth proportional to 534,318.99, 737,354.95 and 289,302.56 is: 399,234.69
Step by Step Solution
- Step 1: Write the proportion equation
534,318.99 : 737,354.95 = 289,302.56 : x - Step 2: Convert to fraction form
534,318.99/737,354.95 = 289,302.56/x - Step 3: Cross multiply
534,318.99x = 737,354.95 × 289,302.56 - Step 4: Simplify right side
534,318.99x = 213,318,674,663.67 - Step 5: Solve for x
x = 213,318,674,663.67/534,318.99 - Step 6: Final answer
x = 399,234.69
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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.