Finding the Fourth Proportional to 203,465.02, 280,785.09 and 112,824.80
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Solution
The fourth proportional to 203,465.02, 280,785.09 and 112,824.80 is: 155,700.09
Step by Step Solution
- Step 1: Write the proportion equation
203,465.02 : 280,785.09 = 112,824.80 : x - Step 2: Convert to fraction form
203,465.02/280,785.09 = 112,824.80/x - Step 3: Cross multiply
203,465.02x = 280,785.09 × 112,824.80 - Step 4: Simplify right side
203,465.02x = 31,679,521,622.23 - Step 5: Solve for x
x = 31,679,521,622.23/203,465.02 - Step 6: Final answer
x = 155,700.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.