Finding the Fourth Proportional to 465,003.18, 641,682.54 and 258,284.99
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Solution
The fourth proportional to 465,003.18, 641,682.54 and 258,284.99 is: 356,421.14
Step by Step Solution
- Step 1: Write the proportion equation
465,003.18 : 641,682.54 = 258,284.99 : x - Step 2: Convert to fraction form
465,003.18/641,682.54 = 258,284.99/x - Step 3: Cross multiply
465,003.18x = 641,682.54 × 258,284.99 - Step 4: Simplify right side
465,003.18x = 165,736,965,218.66 - Step 5: Solve for x
x = 165,736,965,218.66/465,003.18 - Step 6: Final answer
x = 356,421.14
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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.