Finding the Fourth Proportional to 331,368.60, 497,135.70 and 106,750.20
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Solution
The fourth proportional to 331,368.60, 497,135.70 and 106,750.20 is: 160,151.97
Step by Step Solution
- Step 1: Write the proportion equation
331,368.60 : 497,135.70 = 106,750.20 : x - Step 2: Convert to fraction form
331,368.60/497,135.70 = 106,750.20/x - Step 3: Cross multiply
331,368.60x = 497,135.70 × 106,750.20 - Step 4: Simplify right side
331,368.60x = 53,069,335,402.14 - Step 5: Solve for x
x = 53,069,335,402.14/331,368.60 - Step 6: Final answer
x = 160,151.97
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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.