Finding the Fourth Proportional to 298,153.91, 447,327.35 and 87,792.95
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Solution
The fourth proportional to 298,153.91, 447,327.35 and 87,792.95 is: 131,717.84
Step by Step Solution
- Step 1: Write the proportion equation
298,153.91 : 447,327.35 = 87,792.95 : x - Step 2: Convert to fraction form
298,153.91/447,327.35 = 87,792.95/x - Step 3: Cross multiply
298,153.91x = 447,327.35 × 87,792.95 - Step 4: Simplify right side
298,153.91x = 39,272,187,672.18 - Step 5: Solve for x
x = 39,272,187,672.18/298,153.91 - Step 6: Final answer
x = 131,717.84
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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.