Finding the Fourth Proportional to 438,768.88, 657,655.77 and 201,621.53
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Solution
The fourth proportional to 438,768.88, 657,655.77 and 201,621.53 is: 302,203.66
Step by Step Solution
- Step 1: Write the proportion equation
438,768.88 : 657,655.77 = 201,621.53 : x - Step 2: Convert to fraction form
438,768.88/657,655.77 = 201,621.53/x - Step 3: Cross multiply
438,768.88x = 657,655.77 × 201,621.53 - Step 4: Simplify right side
438,768.88x = 132,597,562,560.73 - Step 5: Solve for x
x = 132,597,562,560.73/438,768.88 - Step 6: Final answer
x = 302,203.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.