Finding the Fourth Proportional to 438,784.92, 657,679.68 and 201,637.62
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Solution
The fourth proportional to 438,784.92, 657,679.68 and 201,637.62 is: 302,227.72
Step by Step Solution
- Step 1: Write the proportion equation
438,784.92 : 657,679.68 = 201,637.62 : x - Step 2: Convert to fraction form
438,784.92/657,679.68 = 201,637.62/x - Step 3: Cross multiply
438,784.92x = 657,679.68 × 201,637.62 - Step 4: Simplify right side
438,784.92x = 132,612,965,397.56 - Step 5: Solve for x
x = 132,612,965,397.56/438,784.92 - Step 6: Final answer
x = 302,227.72
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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.