Finding the Fourth Proportional to 375,221.21, 517,800.12 and 205,455.32
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Solution
The fourth proportional to 375,221.21, 517,800.12 and 205,455.32 is: 283,525.52
Step by Step Solution
- Step 1: Write the proportion equation
375,221.21 : 517,800.12 = 205,455.32 : x - Step 2: Convert to fraction form
375,221.21/517,800.12 = 205,455.32/x - Step 3: Cross multiply
375,221.21x = 517,800.12 × 205,455.32 - Step 4: Simplify right side
375,221.21x = 106,384,789,350.64 - Step 5: Solve for x
x = 106,384,789,350.64/375,221.21 - Step 6: Final answer
x = 283,525.52
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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.