Finding the Fourth Proportional to 298,820.13, 448,317.97 and 88,463.53
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Solution
The fourth proportional to 298,820.13, 448,317.97 and 88,463.53 is: 132,721.28
Step by Step Solution
- Step 1: Write the proportion equation
298,820.13 : 448,317.97 = 88,463.53 : x - Step 2: Convert to fraction form
298,820.13/448,317.97 = 88,463.53/x - Step 3: Cross multiply
298,820.13x = 448,317.97 × 88,463.53 - Step 4: Simplify right side
298,820.13x = 39,659,790,188.63 - Step 5: Solve for x
x = 39,659,790,188.63/298,820.13 - Step 6: Final answer
x = 132,721.28
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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.