Finding the Fourth Proportional to 418,569.12, 577,846.08 and 335,998.80
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Solution
The fourth proportional to 418,569.12, 577,846.08 and 335,998.80 is: 463,855.50
Step by Step Solution
- Step 1: Write the proportion equation
418,569.12 : 577,846.08 = 335,998.80 : x - Step 2: Convert to fraction form
418,569.12/577,846.08 = 335,998.80/x - Step 3: Cross multiply
418,569.12x = 577,846.08 × 335,998.80 - Step 4: Simplify right side
418,569.12x = 194,155,589,464.70 - Step 5: Solve for x
x = 194,155,589,464.70/418,569.12 - Step 6: Final answer
x = 463,855.50
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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.