Finding the Fourth Proportional to 327,988.16, 492,137.76 and 195,130.88
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Solution
The fourth proportional to 327,988.16, 492,137.76 and 195,130.88 is: 292,788.84
Step by Step Solution
- Step 1: Write the proportion equation
327,988.16 : 492,137.76 = 195,130.88 : x - Step 2: Convert to fraction form
327,988.16/492,137.76 = 195,130.88/x - Step 3: Cross multiply
327,988.16x = 492,137.76 × 195,130.88 - Step 4: Simplify right side
327,988.16x = 96,031,274,190.03 - Step 5: Solve for x
x = 96,031,274,190.03/327,988.16 - Step 6: Final answer
x = 292,788.84
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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.