Finding the Fourth Proportional to 298,189.68, 447,284.52 and 76,573.68
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Solution
The fourth proportional to 298,189.68, 447,284.52 and 76,573.68 is: 114,860.52
Step by Step Solution
- Step 1: Write the proportion equation
298,189.68 : 447,284.52 = 76,573.68 : x - Step 2: Convert to fraction form
298,189.68/447,284.52 = 76,573.68/x - Step 3: Cross multiply
298,189.68x = 447,284.52 × 76,573.68 - Step 4: Simplify right side
298,189.68x = 34,250,221,703.43 - Step 5: Solve for x
x = 34,250,221,703.43/298,189.68 - Step 6: Final answer
x = 114,860.52
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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.