Finding the Fourth Proportional to 532,728.36, 798,816.60 and 195,681.96
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Solution
The fourth proportional to 532,728.36, 798,816.60 and 195,681.96 is: 293,421.58
Step by Step Solution
- Step 1: Write the proportion equation
532,728.36 : 798,816.60 = 195,681.96 : x - Step 2: Convert to fraction form
532,728.36/798,816.60 = 195,681.96/x - Step 3: Cross multiply
532,728.36x = 798,816.60 × 195,681.96 - Step 4: Simplify right side
532,728.36x = 156,313,997,968.54 - Step 5: Solve for x
x = 156,313,997,968.54/532,728.36 - Step 6: Final answer
x = 293,421.58
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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.