Finding the Fourth Proportional to 327,562.08, 491,032.08 and 128,010.48
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Solution
The fourth proportional to 327,562.08, 491,032.08 and 128,010.48 is: 191,894.17
Step by Step Solution
- Step 1: Write the proportion equation
327,562.08 : 491,032.08 = 128,010.48 : x - Step 2: Convert to fraction form
327,562.08/491,032.08 = 128,010.48/x - Step 3: Cross multiply
327,562.08x = 491,032.08 × 128,010.48 - Step 4: Simplify right side
327,562.08x = 62,857,252,256.20 - Step 5: Solve for x
x = 62,857,252,256.20/327,562.08 - Step 6: Final answer
x = 191,894.17
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1.5x scale
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.