Finding the Fourth Proportional to 545,442.68, 818,504.76 and 208,511.84
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Solution
The fourth proportional to 545,442.68, 818,504.76 and 208,511.84 is: 312,898.02
Step by Step Solution
- Step 1: Write the proportion equation
545,442.68 : 818,504.76 = 208,511.84 : x - Step 2: Convert to fraction form
545,442.68/818,504.76 = 208,511.84/x - Step 3: Cross multiply
545,442.68x = 818,504.76 × 208,511.84 - Step 4: Simplify right side
545,442.68x = 170,667,933,556.36 - Step 5: Solve for x
x = 170,667,933,556.36/545,442.68 - Step 6: Final answer
x = 312,898.02
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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.