Finding the Fourth Proportional to 217,451.64, 326,046.38 and 97,486.88
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Solution
The fourth proportional to 217,451.64, 326,046.38 and 97,486.88 is: 146,171.55
Step by Step Solution
- Step 1: Write the proportion equation
217,451.64 : 326,046.38 = 97,486.88 : x - Step 2: Convert to fraction form
217,451.64/326,046.38 = 97,486.88/x - Step 3: Cross multiply
217,451.64x = 326,046.38 × 97,486.88 - Step 4: Simplify right side
217,451.64x = 31,785,242,752.19 - Step 5: Solve for x
x = 31,785,242,752.19/217,451.64 - Step 6: Final answer
x = 146,171.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.