Finding the Fourth Proportional to 352,092.60, 528,138.90 and 202,332.60
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Solution
The fourth proportional to 352,092.60, 528,138.90 and 202,332.60 is: 303,498.90
Step by Step Solution
- Step 1: Write the proportion equation
352,092.60 : 528,138.90 = 202,332.60 : x - Step 2: Convert to fraction form
352,092.60/528,138.90 = 202,332.60/x - Step 3: Cross multiply
352,092.60x = 528,138.90 × 202,332.60 - Step 4: Simplify right side
352,092.60x = 106,859,716,798.14 - Step 5: Solve for x
x = 106,859,716,798.14/352,092.60 - Step 6: Final answer
x = 303,498.90
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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.