Finding the Fourth Proportional to 407,807.36, 562,766.64 and 226,512.08
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Solution
The fourth proportional to 407,807.36, 562,766.64 and 226,512.08 is: 312,582.50
Step by Step Solution
- Step 1: Write the proportion equation
407,807.36 : 562,766.64 = 226,512.08 : x - Step 2: Convert to fraction form
407,807.36/562,766.64 = 226,512.08/x - Step 3: Cross multiply
407,807.36x = 562,766.64 × 226,512.08 - Step 4: Simplify right side
407,807.36x = 127,473,442,181.01 - Step 5: Solve for x
x = 127,473,442,181.01/407,807.36 - Step 6: Final answer
x = 312,582.50
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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.