Finding the Fourth Proportional to 528,592.68, 792,881.91 and 129,236.88
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Solution
The fourth proportional to 528,592.68, 792,881.91 and 129,236.88 is: 193,853.58
Step by Step Solution
- Step 1: Write the proportion equation
528,592.68 : 792,881.91 = 129,236.88 : x - Step 2: Convert to fraction form
528,592.68/792,881.91 = 129,236.88/x - Step 3: Cross multiply
528,592.68x = 792,881.91 × 129,236.88 - Step 4: Simplify right side
528,592.68x = 102,469,584,256.84 - Step 5: Solve for x
x = 102,469,584,256.84/528,592.68 - Step 6: Final answer
x = 193,853.58
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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.