Finding the Fourth Proportional to 545,425.84, 818,194.74 and 208,749.70
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Solution
The fourth proportional to 545,425.84, 818,194.74 and 208,749.70 is: 313,145.98
Step by Step Solution
- Step 1: Write the proportion equation
545,425.84 : 818,194.74 = 208,749.70 : x - Step 2: Convert to fraction form
545,425.84/818,194.74 = 208,749.70/x - Step 3: Cross multiply
545,425.84x = 818,194.74 × 208,749.70 - Step 4: Simplify right side
545,425.84x = 170,797,906,516.58 - Step 5: Solve for x
x = 170,797,906,516.58/545,425.84 - Step 6: Final answer
x = 313,145.98
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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.