Finding the Fourth Proportional to 348,163.20, 522,244.80 and 98,812.80
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Solution
The fourth proportional to 348,163.20, 522,244.80 and 98,812.80 is: 148,219.20
Step by Step Solution
- Step 1: Write the proportion equation
348,163.20 : 522,244.80 = 98,812.80 : x - Step 2: Convert to fraction form
348,163.20/522,244.80 = 98,812.80/x - Step 3: Cross multiply
348,163.20x = 522,244.80 × 98,812.80 - Step 4: Simplify right side
348,163.20x = 51,604,470,973.44 - Step 5: Solve for x
x = 51,604,470,973.44/348,163.20 - Step 6: Final answer
x = 148,219.20
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1.5x scale
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.