Finding the Fourth Proportional to 364,518.70, 509,145.20 and 364,518.70
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Solution
The fourth proportional to 364,518.70, 509,145.20 and 364,518.70 is: 509,145.20
Step by Step Solution
- Step 1: Write the proportion equation
364,518.70 : 509,145.20 = 364,518.70 : x - Step 2: Convert to fraction form
364,518.70/509,145.20 = 364,518.70/x - Step 3: Cross multiply
364,518.70x = 509,145.20 × 364,518.70 - Step 4: Simplify right side
364,518.70x = 185,592,946,415.24 - Step 5: Solve for x
x = 185,592,946,415.24/364,518.70 - Step 6: Final answer
x = 509,145.20
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.