Finding the Fourth Proportional to 407,652.21, 562,611.87 and 246,508.38
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Solution
The fourth proportional to 407,652.21, 562,611.87 and 246,508.38 is: 340,212.90
Step by Step Solution
- Step 1: Write the proportion equation
407,652.21 : 562,611.87 = 246,508.38 : x - Step 2: Convert to fraction form
407,652.21/562,611.87 = 246,508.38/x - Step 3: Cross multiply
407,652.21x = 562,611.87 × 246,508.38 - Step 4: Simplify right side
407,652.21x = 138,688,540,642.47 - Step 5: Solve for x
x = 138,688,540,642.47/407,652.21 - Step 6: Final answer
x = 340,212.90
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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.