Finding the Fourth Proportional to 484,809.36, 727,212.05 and 147,849.02
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Solution
The fourth proportional to 484,809.36, 727,212.05 and 147,849.02 is: 221,772.92
Step by Step Solution
- Step 1: Write the proportion equation
484,809.36 : 727,212.05 = 147,849.02 : x - Step 2: Convert to fraction form
484,809.36/727,212.05 = 147,849.02/x - Step 3: Cross multiply
484,809.36x = 727,212.05 × 147,849.02 - Step 4: Simplify right side
484,809.36x = 107,517,588,924.69 - Step 5: Solve for x
x = 107,517,588,924.69/484,809.36 - Step 6: Final answer
x = 221,772.92
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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.