Finding the Fourth Proportional to 425,860.86, 638,791.26 and 110,317.75
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Solution
The fourth proportional to 425,860.86, 638,791.26 and 110,317.75 is: 165,476.62
Step by Step Solution
- Step 1: Write the proportion equation
425,860.86 : 638,791.26 = 110,317.75 : x - Step 2: Convert to fraction form
425,860.86/638,791.26 = 110,317.75/x - Step 3: Cross multiply
425,860.86x = 638,791.26 × 110,317.75 - Step 4: Simplify right side
425,860.86x = 70,470,014,522.87 - Step 5: Solve for x
x = 70,470,014,522.87/425,860.86 - Step 6: Final answer
x = 165,476.62
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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.