Finding the Fourth Proportional to 725,992.44, 1,089,040.50 and 193,510.68
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Solution
The fourth proportional to 725,992.44, 1,089,040.50 and 193,510.68 is: 290,279.84
Step by Step Solution
- Step 1: Write the proportion equation
725,992.44 : 1,089,040.50 = 193,510.68 : x - Step 2: Convert to fraction form
725,992.44/1,089,040.50 = 193,510.68/x - Step 3: Cross multiply
725,992.44x = 1,089,040.50 × 193,510.68 - Step 4: Simplify right side
725,992.44x = 210,740,967,702.54 - Step 5: Solve for x
x = 210,740,967,702.54/725,992.44 - Step 6: Final answer
x = 290,279.84
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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.