Finding the Fourth Proportional to 298,390.91, 447,657.42 and 88,029.05
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Solution
The fourth proportional to 298,390.91, 447,657.42 and 88,029.05 is: 132,064.54
Step by Step Solution
- Step 1: Write the proportion equation
298,390.91 : 447,657.42 = 88,029.05 : x - Step 2: Convert to fraction form
298,390.91/447,657.42 = 88,029.05/x - Step 3: Cross multiply
298,390.91x = 447,657.42 × 88,029.05 - Step 4: Simplify right side
298,390.91x = 39,406,857,408.05 - Step 5: Solve for x
x = 39,406,857,408.05/298,390.91 - Step 6: Final answer
x = 132,064.54
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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.