Finding the Fourth Proportional to 356,800.24, 491,908.00 and 283,456.02
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Solution
The fourth proportional to 356,800.24, 491,908.00 and 283,456.02 is: 390,790.89
Step by Step Solution
- Step 1: Write the proportion equation
356,800.24 : 491,908.00 = 283,456.02 : x - Step 2: Convert to fraction form
356,800.24/491,908.00 = 283,456.02/x - Step 3: Cross multiply
356,800.24x = 491,908.00 × 283,456.02 - Step 4: Simplify right side
356,800.24x = 139,434,282,468.88 - Step 5: Solve for x
x = 139,434,282,468.88/356,800.24 - Step 6: Final answer
x = 390,790.89
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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.