Finding the Fourth Proportional to 320,170.68, 441,821.16 and 176,927.63
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Solution
The fourth proportional to 320,170.68, 441,821.16 and 176,927.63 is: 244,152.18
Step by Step Solution
- Step 1: Write the proportion equation
320,170.68 : 441,821.16 = 176,927.63 : x - Step 2: Convert to fraction form
320,170.68/441,821.16 = 176,927.63/x - Step 3: Cross multiply
320,170.68x = 441,821.16 × 176,927.63 - Step 4: Simplify right side
320,170.68x = 78,170,368,513.55 - Step 5: Solve for x
x = 78,170,368,513.55/320,170.68 - Step 6: Final answer
x = 244,152.18
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.