Finding the Fourth Proportional to 217,653.62, 326,327.34 and 84,421.58
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Solution
The fourth proportional to 217,653.62, 326,327.34 and 84,421.58 is: 126,572.99
Step by Step Solution
- Step 1: Write the proportion equation
217,653.62 : 326,327.34 = 84,421.58 : x - Step 2: Convert to fraction form
217,653.62/326,327.34 = 84,421.58/x - Step 3: Cross multiply
217,653.62x = 326,327.34 × 84,421.58 - Step 4: Simplify right side
217,653.62x = 27,549,070,455.82 - Step 5: Solve for x
x = 27,549,070,455.82/217,653.62 - Step 6: Final answer
x = 126,572.99
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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.