Finding the Fourth Proportional to 374,447.88, 516,774.26 and 221,535.20
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Solution
The fourth proportional to 374,447.88, 516,774.26 and 221,535.20 is: 305,739.99
Step by Step Solution
- Step 1: Write the proportion equation
374,447.88 : 516,774.26 = 221,535.20 : x - Step 2: Convert to fraction form
374,447.88/516,774.26 = 221,535.20/x - Step 3: Cross multiply
374,447.88x = 516,774.26 × 221,535.20 - Step 4: Simplify right side
374,447.88x = 114,483,690,889.73 - Step 5: Solve for x
x = 114,483,690,889.73/374,447.88 - Step 6: Final answer
x = 305,739.99
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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.