Finding the Fourth Proportional to 98,988.57, 148,491.36 and 32,428.44
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Solution
The fourth proportional to 98,988.57, 148,491.36 and 32,428.44 is: 48,645.45
Step by Step Solution
- Step 1: Write the proportion equation
98,988.57 : 148,491.36 = 32,428.44 : x - Step 2: Convert to fraction form
98,988.57/148,491.36 = 32,428.44/x - Step 3: Cross multiply
98,988.57x = 148,491.36 × 32,428.44 - Step 4: Simplify right side
98,988.57x = 4,815,343,158.28 - Step 5: Solve for x
x = 4,815,343,158.28/98,988.57 - Step 6: Final answer
x = 48,645.45
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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.