Finding the Fourth Proportional to 425,860.24, 638,790.32 and 110,317.14
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Solution
The fourth proportional to 425,860.24, 638,790.32 and 110,317.14 is: 165,475.70
Step by Step Solution
- Step 1: Write the proportion equation
425,860.24 : 638,790.32 = 110,317.14 : x - Step 2: Convert to fraction form
425,860.24/638,790.32 = 110,317.14/x - Step 3: Cross multiply
425,860.24x = 638,790.32 × 110,317.14 - Step 4: Simplify right side
425,860.24x = 70,469,521,162.08 - Step 5: Solve for x
x = 70,469,521,162.08/425,860.24 - Step 6: Final answer
x = 165,475.70
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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.