Finding the Fourth Proportional to 482,542.96, 723,819.68 and 145,586.63
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Solution
The fourth proportional to 482,542.96, 723,819.68 and 145,586.63 is: 218,381.53
Step by Step Solution
- Step 1: Write the proportion equation
482,542.96 : 723,819.68 = 145,586.63 : x - Step 2: Convert to fraction form
482,542.96/723,819.68 = 145,586.63/x - Step 3: Cross multiply
482,542.96x = 723,819.68 × 145,586.63 - Step 4: Simplify right side
482,542.96x = 105,378,467,938.88 - Step 5: Solve for x
x = 105,378,467,938.88/482,542.96 - Step 6: Final answer
x = 218,381.53
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.