Finding the Fourth Proportional to 219,427.26, 329,140.90 and 53,215.26
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Solution
The fourth proportional to 219,427.26, 329,140.90 and 53,215.26 is: 79,822.89
Step by Step Solution
- Step 1: Write the proportion equation
219,427.26 : 329,140.90 = 53,215.26 : x - Step 2: Convert to fraction form
219,427.26/329,140.90 = 53,215.26/x - Step 3: Cross multiply
219,427.26x = 329,140.90 × 53,215.26 - Step 4: Simplify right side
219,427.26x = 17,515,318,570.13 - Step 5: Solve for x
x = 17,515,318,570.13/219,427.26 - Step 6: Final answer
x = 79,822.89
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1.5x scale
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.