Finding the Fourth Proportional to 528,592.92, 792,882.28 and 129,237.13
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Solution
The fourth proportional to 528,592.92, 792,882.28 and 129,237.13 is: 193,853.96
Step by Step Solution
- Step 1: Write the proportion equation
528,592.92 : 792,882.28 = 129,237.13 : x - Step 2: Convert to fraction form
528,592.92/792,882.28 = 129,237.13/x - Step 3: Cross multiply
528,592.92x = 792,882.28 × 129,237.13 - Step 4: Simplify right side
528,592.92x = 102,469,830,295.06 - Step 5: Solve for x
x = 102,469,830,295.06/528,592.92 - Step 6: Final answer
x = 193,853.96
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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.