Finding the Fourth Proportional to 298,961.53, 448,294.45 and 130,408.99
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Solution
The fourth proportional to 298,961.53, 448,294.45 and 130,408.99 is: 195,548.99
Step by Step Solution
- Step 1: Write the proportion equation
298,961.53 : 448,294.45 = 130,408.99 : x - Step 2: Convert to fraction form
298,961.53/448,294.45 = 130,408.99/x - Step 3: Cross multiply
298,961.53x = 448,294.45 × 130,408.99 - Step 4: Simplify right side
298,961.53x = 58,461,625,244.86 - Step 5: Solve for x
x = 58,461,625,244.86/298,961.53 - Step 6: Final answer
x = 195,548.99
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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.