Finding the Fourth Proportional to 219,611.68, 329,418.24 and 53,399.68
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Solution
The fourth proportional to 219,611.68, 329,418.24 and 53,399.68 is: 80,099.70
Step by Step Solution
- Step 1: Write the proportion equation
219,611.68 : 329,418.24 = 53,399.68 : x - Step 2: Convert to fraction form
219,611.68/329,418.24 = 53,399.68/x - Step 3: Cross multiply
219,611.68x = 329,418.24 × 53,399.68 - Step 4: Simplify right side
219,611.68x = 17,590,828,602.16 - Step 5: Solve for x
x = 17,590,828,602.16/219,611.68 - Step 6: Final answer
x = 80,099.70
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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.