Finding the Fourth Proportional to 425,403.99, 586,249.96 and 304,335.06
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Solution
The fourth proportional to 425,403.99, 586,249.96 and 304,335.06 is: 419,404.66
Step by Step Solution
- Step 1: Write the proportion equation
425,403.99 : 586,249.96 = 304,335.06 : x - Step 2: Convert to fraction form
425,403.99/586,249.96 = 304,335.06/x - Step 3: Cross multiply
425,403.99x = 586,249.96 × 304,335.06 - Step 4: Simplify right side
425,403.99x = 178,416,416,751.60 - Step 5: Solve for x
x = 178,416,416,751.60/425,403.99 - Step 6: Final answer
x = 419,404.66
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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.