Finding the Fourth Proportional to 350,956.64, 484,320.16 and 189,811.68
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Solution
The fourth proportional to 350,956.64, 484,320.16 and 189,811.68 is: 261,940.12
Step by Step Solution
- Step 1: Write the proportion equation
350,956.64 : 484,320.16 = 189,811.68 : x - Step 2: Convert to fraction form
350,956.64/484,320.16 = 189,811.68/x - Step 3: Cross multiply
350,956.64x = 484,320.16 × 189,811.68 - Step 4: Simplify right side
350,956.64x = 91,929,624,569.14 - Step 5: Solve for x
x = 91,929,624,569.14/350,956.64 - Step 6: Final answer
x = 261,940.12
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.