Finding the Fourth Proportional to 463,171.08, 639,479.16 and 356,299.68
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Solution
The fourth proportional to 463,171.08, 639,479.16 and 356,299.68 is: 491,926.70
Step by Step Solution
- Step 1: Write the proportion equation
463,171.08 : 639,479.16 = 356,299.68 : x - Step 2: Convert to fraction form
463,171.08/639,479.16 = 356,299.68/x - Step 3: Cross multiply
463,171.08x = 639,479.16 × 356,299.68 - Step 4: Simplify right side
463,171.08x = 227,846,220,074.67 - Step 5: Solve for x
x = 227,846,220,074.67/463,171.08 - Step 6: Final answer
x = 491,926.70
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1.5x scale
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.