Finding the Fourth Proportional to 449,277.15, 620,027.78 and 245,347.05
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Solution
The fourth proportional to 449,277.15, 620,027.78 and 245,347.05 is: 338,592.75
Step by Step Solution
- Step 1: Write the proportion equation
449,277.15 : 620,027.78 = 245,347.05 : x - Step 2: Convert to fraction form
449,277.15/620,027.78 = 245,347.05/x - Step 3: Cross multiply
449,277.15x = 620,027.78 × 245,347.05 - Step 4: Simplify right side
449,277.15x = 152,121,985,514.31 - Step 5: Solve for x
x = 152,121,985,514.31/449,277.15 - Step 6: Final answer
x = 338,592.75
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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.