Finding the Fourth Proportional to 465,171.78, 642,037.11 and 283,844.88
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Solution
The fourth proportional to 465,171.78, 642,037.11 and 283,844.88 is: 391,766.99
Step by Step Solution
- Step 1: Write the proportion equation
465,171.78 : 642,037.11 = 283,844.88 : x - Step 2: Convert to fraction form
465,171.78/642,037.11 = 283,844.88/x - Step 3: Cross multiply
465,171.78x = 642,037.11 × 283,844.88 - Step 4: Simplify right side
465,171.78x = 182,238,946,443.50 - Step 5: Solve for x
x = 182,238,946,443.50/465,171.78 - Step 6: Final answer
x = 391,766.99
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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.