Finding the Fourth Proportional to 545,424.84, 818,193.24 and 208,748.70
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Solution
The fourth proportional to 545,424.84, 818,193.24 and 208,748.70 is: 313,144.48
Step by Step Solution
- Step 1: Write the proportion equation
545,424.84 : 818,193.24 = 208,748.70 : x - Step 2: Convert to fraction form
545,424.84/818,193.24 = 208,748.70/x - Step 3: Cross multiply
545,424.84x = 818,193.24 × 208,748.70 - Step 4: Simplify right side
545,424.84x = 170,796,775,198.79 - Step 5: Solve for x
x = 170,796,775,198.79/545,424.84 - Step 6: Final answer
x = 313,144.48
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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.