Finding the Fourth Proportional to 303,178.36, 454,573.12 and 125,807.80
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Solution
The fourth proportional to 303,178.36, 454,573.12 and 125,807.80 is: 188,631.02
Step by Step Solution
- Step 1: Write the proportion equation
303,178.36 : 454,573.12 = 125,807.80 : x - Step 2: Convert to fraction form
303,178.36/454,573.12 = 125,807.80/x - Step 3: Cross multiply
303,178.36x = 454,573.12 × 125,807.80 - Step 4: Simplify right side
303,178.36x = 57,188,844,166.34 - Step 5: Solve for x
x = 57,188,844,166.34/303,178.36 - Step 6: Final answer
x = 188,631.02
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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.