Finding the Fourth Proportional to 348,343.36, 522,645.12 and 198,491.20
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Solution
The fourth proportional to 348,343.36, 522,645.12 and 198,491.20 is: 297,810.92
Step by Step Solution
- Step 1: Write the proportion equation
348,343.36 : 522,645.12 = 198,491.20 : x - Step 2: Convert to fraction form
348,343.36/522,645.12 = 198,491.20/x - Step 3: Cross multiply
348,343.36x = 522,645.12 × 198,491.20 - Step 4: Simplify right side
348,343.36x = 103,740,457,042.94 - Step 5: Solve for x
x = 103,740,457,042.94/348,343.36 - Step 6: Final answer
x = 297,810.92
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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.