Finding the Fourth Proportional to 252,901.95, 378,236.95 and 225,017.70
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Solution
The fourth proportional to 252,901.95, 378,236.95 and 225,017.70 is: 336,533.62
Step by Step Solution
- Step 1: Write the proportion equation
252,901.95 : 378,236.95 = 225,017.70 : x - Step 2: Convert to fraction form
252,901.95/378,236.95 = 225,017.70/x - Step 3: Cross multiply
252,901.95x = 378,236.95 × 225,017.70 - Step 4: Simplify right side
252,901.95x = 85,110,007,981.47 - Step 5: Solve for x
x = 85,110,007,981.47/252,901.95 - Step 6: Final answer
x = 336,533.62
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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.