Finding the Fourth Proportional to 484,428.10, 726,901.35 and 203,973.70
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Solution
The fourth proportional to 484,428.10, 726,901.35 and 203,973.70 is: 306,069.69
Step by Step Solution
- Step 1: Write the proportion equation
484,428.10 : 726,901.35 = 203,973.70 : x - Step 2: Convert to fraction form
484,428.10/726,901.35 = 203,973.70/x - Step 3: Cross multiply
484,428.10x = 726,901.35 × 203,973.70 - Step 4: Simplify right side
484,428.10x = 148,268,757,894.50 - Step 5: Solve for x
x = 148,268,757,894.50/484,428.10 - Step 6: Final answer
x = 306,069.69
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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.