Finding the Fourth Proportional to 425,796.75, 638,695.23 and 173,214.65
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Solution
The fourth proportional to 425,796.75, 638,695.23 and 173,214.65 is: 259,822.02
Step by Step Solution
- Step 1: Write the proportion equation
425,796.75 : 638,695.23 = 173,214.65 : x - Step 2: Convert to fraction form
425,796.75/638,695.23 = 173,214.65/x - Step 3: Cross multiply
425,796.75x = 638,695.23 × 173,214.65 - Step 4: Simplify right side
425,796.75x = 110,631,371,668.30 - Step 5: Solve for x
x = 110,631,371,668.30/425,796.75 - Step 6: Final answer
x = 259,822.02
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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.