Finding the Fourth Proportional to 394,673.13, 592,008.30 and 141,953.19
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Solution
The fourth proportional to 394,673.13, 592,008.30 and 141,953.19 is: 212,929.28
Step by Step Solution
- Step 1: Write the proportion equation
394,673.13 : 592,008.30 = 141,953.19 : x - Step 2: Convert to fraction form
394,673.13/592,008.30 = 141,953.19/x - Step 3: Cross multiply
394,673.13x = 592,008.30 × 141,953.19 - Step 4: Simplify right side
394,673.13x = 84,037,466,691.48 - Step 5: Solve for x
x = 84,037,466,691.48/394,673.13 - Step 6: Final answer
x = 212,929.28
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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.