Finding the Fourth Proportional to 418,517.55, 577,547.37 and 227,535.75
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Solution
The fourth proportional to 418,517.55, 577,547.37 and 227,535.75 is: 313,995.61
Step by Step Solution
- Step 1: Write the proportion equation
418,517.55 : 577,547.37 = 227,535.75 : x - Step 2: Convert to fraction form
418,517.55/577,547.37 = 227,535.75/x - Step 3: Cross multiply
418,517.55x = 577,547.37 × 227,535.75 - Step 4: Simplify right side
418,517.55x = 131,412,673,993.48 - Step 5: Solve for x
x = 131,412,673,993.48/418,517.55 - Step 6: Final answer
x = 313,995.61
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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.