Finding the Fourth Proportional to 438,962.99, 657,936.21 and 201,807.95
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Solution
The fourth proportional to 438,962.99, 657,936.21 and 201,807.95 is: 302,478.25
Step by Step Solution
- Step 1: Write the proportion equation
438,962.99 : 657,936.21 = 201,807.95 : x - Step 2: Convert to fraction form
438,962.99/657,936.21 = 201,807.95/x - Step 3: Cross multiply
438,962.99x = 657,936.21 × 201,807.95 - Step 4: Simplify right side
438,962.99x = 132,776,757,770.87 - Step 5: Solve for x
x = 132,776,757,770.87/438,962.99 - Step 6: Final answer
x = 302,478.25
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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.