Finding the Fourth Proportional to 612,821.34, 919,232.28 and 192,130.02
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Solution
The fourth proportional to 612,821.34, 919,232.28 and 192,130.02 is: 288,195.11
Step by Step Solution
- Step 1: Write the proportion equation
612,821.34 : 919,232.28 = 192,130.02 : x - Step 2: Convert to fraction form
612,821.34/919,232.28 = 192,130.02/x - Step 3: Cross multiply
612,821.34x = 919,232.28 × 192,130.02 - Step 4: Simplify right side
612,821.34x = 176,612,116,341.05 - Step 5: Solve for x
x = 176,612,116,341.05/612,821.34 - Step 6: Final answer
x = 288,195.11
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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.