Finding the Fourth Proportional to 199,611.10, 299,635.35 and 124,815.70
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Solution
The fourth proportional to 199,611.10, 299,635.35 and 124,815.70 is: 187,360.30
Step by Step Solution
- Step 1: Write the proportion equation
199,611.10 : 299,635.35 = 124,815.70 : x - Step 2: Convert to fraction form
199,611.10/299,635.35 = 124,815.70/x - Step 3: Cross multiply
199,611.10x = 299,635.35 × 124,815.70 - Step 4: Simplify right side
199,611.10x = 37,399,195,955.00 - Step 5: Solve for x
x = 37,399,195,955.00/199,611.10 - Step 6: Final answer
x = 187,360.30
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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.