Finding the Fourth Proportional to 400,884.08, 553,201.89 and 239,827.92
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Solution
The fourth proportional to 400,884.08, 553,201.89 and 239,827.92 is: 330,951.68
Step by Step Solution
- Step 1: Write the proportion equation
400,884.08 : 553,201.89 = 239,827.92 : x - Step 2: Convert to fraction form
400,884.08/553,201.89 = 239,827.92/x - Step 3: Cross multiply
400,884.08x = 553,201.89 × 239,827.92 - Step 4: Simplify right side
400,884.08x = 132,673,258,618.77 - Step 5: Solve for x
x = 132,673,258,618.77/400,884.08 - Step 6: Final answer
x = 330,951.68
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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.