Finding the Fourth Proportional to 869,199.12, 1,303,044.84 and 336,353.40
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Solution
The fourth proportional to 869,199.12, 1,303,044.84 and 336,353.40 is: 504,238.39
Step by Step Solution
- Step 1: Write the proportion equation
869,199.12 : 1,303,044.84 = 336,353.40 : x - Step 2: Convert to fraction form
869,199.12/1,303,044.84 = 336,353.40/x - Step 3: Cross multiply
869,199.12x = 1,303,044.84 × 336,353.40 - Step 4: Simplify right side
869,199.12x = 438,283,562,286.46 - Step 5: Solve for x
x = 438,283,562,286.46/869,199.12 - Step 6: Final answer
x = 504,238.39
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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.