Finding the Fourth Proportional to 353,035.89, 487,177.61 and 202,103.73
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Solution
The fourth proportional to 353,035.89, 487,177.61 and 202,103.73 is: 278,896.32
Step by Step Solution
- Step 1: Write the proportion equation
353,035.89 : 487,177.61 = 202,103.73 : x - Step 2: Convert to fraction form
353,035.89/487,177.61 = 202,103.73/x - Step 3: Cross multiply
353,035.89x = 487,177.61 × 202,103.73 - Step 4: Simplify right side
353,035.89x = 98,460,411,142.97 - Step 5: Solve for x
x = 98,460,411,142.97/353,035.89 - Step 6: Final answer
x = 278,896.32
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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.