Finding the Fourth Proportional to 512,330.84, 768,479.84 and 231,848.08
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Solution
The fourth proportional to 512,330.84, 768,479.84 and 231,848.08 is: 347,764.69
Step by Step Solution
- Step 1: Write the proportion equation
512,330.84 : 768,479.84 = 231,848.08 : x - Step 2: Convert to fraction form
512,330.84/768,479.84 = 231,848.08/x - Step 3: Cross multiply
512,330.84x = 768,479.84 × 231,848.08 - Step 4: Simplify right side
512,330.84x = 178,170,575,422.71 - Step 5: Solve for x
x = 178,170,575,422.71/512,330.84 - Step 6: Final answer
x = 347,764.69
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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.