Finding the Fourth Proportional to 317,218.60, 475,892.70 and 106,877.80
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Solution
The fourth proportional to 317,218.60, 475,892.70 and 106,877.80 is: 160,338.53
Step by Step Solution
- Step 1: Write the proportion equation
317,218.60 : 475,892.70 = 106,877.80 : x - Step 2: Convert to fraction form
317,218.60/475,892.70 = 106,877.80/x - Step 3: Cross multiply
317,218.60x = 475,892.70 × 106,877.80 - Step 4: Simplify right side
317,218.60x = 50,862,364,812.06 - Step 5: Solve for x
x = 50,862,364,812.06/317,218.60 - Step 6: Final answer
x = 160,338.53
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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.