Finding the Fourth Proportional to 425,616.40, 587,346.78 and 234,629.79
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Solution
The fourth proportional to 425,616.40, 587,346.78 and 234,629.79 is: 323,786.99
Step by Step Solution
- Step 1: Write the proportion equation
425,616.40 : 587,346.78 = 234,629.79 : x - Step 2: Convert to fraction form
425,616.40/587,346.78 = 234,629.79/x - Step 3: Cross multiply
425,616.40x = 587,346.78 × 234,629.79 - Step 4: Simplify right side
425,616.40x = 137,809,051,648.58 - Step 5: Solve for x
x = 137,809,051,648.58/425,616.40 - Step 6: Final answer
x = 323,786.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.