Finding the Fourth Proportional to 545,690.70, 818,336.49 and 208,564.65
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Solution
The fourth proportional to 545,690.70, 818,336.49 and 208,564.65 is: 312,770.70
Step by Step Solution
- Step 1: Write the proportion equation
545,690.70 : 818,336.49 = 208,564.65 : x - Step 2: Convert to fraction form
545,690.70/818,336.49 = 208,564.65/x - Step 3: Cross multiply
545,690.70x = 818,336.49 × 208,564.65 - Step 4: Simplify right side
545,690.70x = 170,676,063,619.08 - Step 5: Solve for x
x = 170,676,063,619.08/545,690.70 - Step 6: Final answer
x = 312,770.70
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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.