Finding the Fourth Proportional to 449,699.09, 620,593.63 and 245,762.63
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Solution
The fourth proportional to 449,699.09, 620,593.63 and 245,762.63 is: 339,157.29
Step by Step Solution
- Step 1: Write the proportion equation
449,699.09 : 620,593.63 = 245,762.63 : x - Step 2: Convert to fraction form
449,699.09/620,593.63 = 245,762.63/x - Step 3: Cross multiply
449,699.09x = 620,593.63 × 245,762.63 - Step 4: Simplify right side
449,699.09x = 152,518,722,670.05 - Step 5: Solve for x
x = 152,518,722,670.05/449,699.09 - Step 6: Final answer
x = 339,157.29
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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.