Finding the Fourth Proportional to 217,595.09, 326,156.47 and 84,436.13
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Solution
The fourth proportional to 217,595.09, 326,156.47 and 84,436.13 is: 126,562.55
Step by Step Solution
- Step 1: Write the proportion equation
217,595.09 : 326,156.47 = 84,436.13 : x - Step 2: Convert to fraction form
217,595.09/326,156.47 = 84,436.13/x - Step 3: Cross multiply
217,595.09x = 326,156.47 × 84,436.13 - Step 4: Simplify right side
217,595.09x = 27,539,390,101.26 - Step 5: Solve for x
x = 27,539,390,101.26/217,595.09 - Step 6: Final answer
x = 126,562.55
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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.