Finding the Fourth Proportional to 345,137.18, 476,288.97 and 194,237.42
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Solution
The fourth proportional to 345,137.18, 476,288.97 and 194,237.42 is: 268,047.45
Step by Step Solution
- Step 1: Write the proportion equation
345,137.18 : 476,288.97 = 194,237.42 : x - Step 2: Convert to fraction form
345,137.18/476,288.97 = 194,237.42/x - Step 3: Cross multiply
345,137.18x = 476,288.97 × 194,237.42 - Step 4: Simplify right side
345,137.18x = 92,513,140,707.26 - Step 5: Solve for x
x = 92,513,140,707.26/345,137.18 - Step 6: Final answer
x = 268,047.45
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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.