Finding the Fourth Proportional to 353,524.35, 488,107.68 and 330,938.10
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Solution
The fourth proportional to 353,524.35, 488,107.68 and 330,938.10 is: 456,923.07
Step by Step Solution
- Step 1: Write the proportion equation
353,524.35 : 488,107.68 = 330,938.10 : x - Step 2: Convert to fraction form
353,524.35/488,107.68 = 330,938.10/x - Step 3: Cross multiply
353,524.35x = 488,107.68 × 330,938.10 - Step 4: Simplify right side
353,524.35x = 161,533,428,036.14 - Step 5: Solve for x
x = 161,533,428,036.14/353,524.35 - Step 6: Final answer
x = 456,923.07
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.