Finding the Fourth Proportional to 451,382.40, 622,885.84 and 260,457.44
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Solution
The fourth proportional to 451,382.40, 622,885.84 and 260,457.44 is: 359,418.65
Step by Step Solution
- Step 1: Write the proportion equation
451,382.40 : 622,885.84 = 260,457.44 : x - Step 2: Convert to fraction form
451,382.40/622,885.84 = 260,457.44/x - Step 3: Cross multiply
451,382.40x = 622,885.84 × 260,457.44 - Step 4: Simplify right side
451,382.40x = 162,235,251,298.65 - Step 5: Solve for x
x = 162,235,251,298.65/451,382.40 - Step 6: Final answer
x = 359,418.65
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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.