Finding the Fourth Proportional to 282,366.21, 423,424.98 and 132,649.05
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Solution
The fourth proportional to 282,366.21, 423,424.98 and 132,649.05 is: 198,915.17
Step by Step Solution
- Step 1: Write the proportion equation
282,366.21 : 423,424.98 = 132,649.05 : x - Step 2: Convert to fraction form
282,366.21/423,424.98 = 132,649.05/x - Step 3: Cross multiply
282,366.21x = 423,424.98 × 132,649.05 - Step 4: Simplify right side
282,366.21x = 56,166,921,343.27 - Step 5: Solve for x
x = 56,166,921,343.27/282,366.21 - Step 6: Final answer
x = 198,915.17
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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.