Finding the Fourth Proportional to 425,860.23, 638,790.35 and 110,317.13
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Solution
The fourth proportional to 425,860.23, 638,790.35 and 110,317.13 is: 165,475.69
Step by Step Solution
- Step 1: Write the proportion equation
425,860.23 : 638,790.35 = 110,317.13 : x - Step 2: Convert to fraction form
425,860.23/638,790.35 = 110,317.13/x - Step 3: Cross multiply
425,860.23x = 638,790.35 × 110,317.13 - Step 4: Simplify right side
425,860.23x = 70,469,514,338.16 - Step 5: Solve for x
x = 70,469,514,338.16/425,860.23 - Step 6: Final answer
x = 165,475.69
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1.5x scale
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.