Finding the Fourth Proportional to 451,457.92, 623,016.99 and 257,891.26
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Solution
The fourth proportional to 451,457.92, 623,016.99 and 257,891.26 is: 355,892.83
Step by Step Solution
- Step 1: Write the proportion equation
451,457.92 : 623,016.99 = 257,891.26 : x - Step 2: Convert to fraction form
451,457.92/623,016.99 = 257,891.26/x - Step 3: Cross multiply
451,457.92x = 623,016.99 × 257,891.26 - Step 4: Simplify right side
451,457.92x = 160,670,633,437.42 - Step 5: Solve for x
x = 160,670,633,437.42/451,457.92 - Step 6: Final answer
x = 355,892.83
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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.