Finding the Fourth Proportional to 151,604.30, 227,515.80 and 84,973.70
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Solution
The fourth proportional to 151,604.30, 227,515.80 and 84,973.70 is: 127,521.84
Step by Step Solution
- Step 1: Write the proportion equation
151,604.30 : 227,515.80 = 84,973.70 : x - Step 2: Convert to fraction form
151,604.30/227,515.80 = 84,973.70/x - Step 3: Cross multiply
151,604.30x = 227,515.80 × 84,973.70 - Step 4: Simplify right side
151,604.30x = 19,332,859,334.46 - Step 5: Solve for x
x = 19,332,859,334.46/151,604.30 - Step 6: Final answer
x = 127,521.84
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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.