Finding the Fourth Proportional to 522,203.79, 783,221.62 and 143,035.85
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Solution
The fourth proportional to 522,203.79, 783,221.62 and 143,035.85 is: 214,530.75
Step by Step Solution
- Step 1: Write the proportion equation
522,203.79 : 783,221.62 = 143,035.85 : x - Step 2: Convert to fraction form
522,203.79/783,221.62 = 143,035.85/x - Step 3: Cross multiply
522,203.79x = 783,221.62 × 143,035.85 - Step 4: Simplify right side
522,203.79x = 112,028,770,155.08 - Step 5: Solve for x
x = 112,028,770,155.08/522,203.79 - Step 6: Final answer
x = 214,530.75
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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.