Finding the Fourth Proportional to 438,963.49, 657,936.96 and 201,808.45
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Solution
The fourth proportional to 438,963.49, 657,936.96 and 201,808.45 is: 302,479.00
Step by Step Solution
- Step 1: Write the proportion equation
438,963.49 : 657,936.96 = 201,808.45 : x - Step 2: Convert to fraction form
438,963.49/657,936.96 = 201,808.45/x - Step 3: Cross multiply
438,963.49x = 657,936.96 × 201,808.45 - Step 4: Simplify right side
438,963.49x = 132,777,238,095.31 - Step 5: Solve for x
x = 132,777,238,095.31/438,963.49 - Step 6: Final answer
x = 302,479.00
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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.