Finding the Fourth Proportional to 331,428.24, 497,160.60 and 106,772.40
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Solution
The fourth proportional to 331,428.24, 497,160.60 and 106,772.40 is: 160,164.48
Step by Step Solution
- Step 1: Write the proportion equation
331,428.24 : 497,160.60 = 106,772.40 : x - Step 2: Convert to fraction form
331,428.24/497,160.60 = 106,772.40/x - Step 3: Cross multiply
331,428.24x = 497,160.60 × 106,772.40 - Step 4: Simplify right side
331,428.24x = 53,083,030,447.44 - Step 5: Solve for x
x = 53,083,030,447.44/331,428.24 - Step 6: Final answer
x = 160,164.48
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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.