Finding the Fourth Proportional to 423,266.12, 634,658.56 and 327,169.32
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Solution
The fourth proportional to 423,266.12, 634,658.56 and 327,169.32 is: 490,567.99
Step by Step Solution
- Step 1: Write the proportion equation
423,266.12 : 634,658.56 = 327,169.32 : x - Step 2: Convert to fraction form
423,266.12/634,658.56 = 327,169.32/x - Step 3: Cross multiply
423,266.12x = 634,658.56 × 327,169.32 - Step 4: Simplify right side
423,266.12x = 207,640,809,507.38 - Step 5: Solve for x
x = 207,640,809,507.38/423,266.12 - Step 6: Final answer
x = 490,567.99
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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.