Finding the Fourth Proportional to 425,911.44, 638,235.99 and 172,884.03
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Solution
The fourth proportional to 425,911.44, 638,235.99 and 172,884.03 is: 259,069.84
Step by Step Solution
- Step 1: Write the proportion equation
425,911.44 : 638,235.99 = 172,884.03 : x - Step 2: Convert to fraction form
425,911.44/638,235.99 = 172,884.03/x - Step 3: Cross multiply
425,911.44x = 638,235.99 × 172,884.03 - Step 4: Simplify right side
425,911.44x = 110,340,810,042.24 - Step 5: Solve for x
x = 110,340,810,042.24/425,911.44 - Step 6: Final answer
x = 259,069.84
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.