Finding the Fourth Proportional to 342,346.28, 472,473.18 and 197,156.82
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Solution
The fourth proportional to 342,346.28, 472,473.18 and 197,156.82 is: 272,096.75
Step by Step Solution
- Step 1: Write the proportion equation
342,346.28 : 472,473.18 = 197,156.82 : x - Step 2: Convert to fraction form
342,346.28/472,473.18 = 197,156.82/x - Step 3: Cross multiply
342,346.28x = 472,473.18 × 197,156.82 - Step 4: Simplify right side
342,346.28x = 93,151,309,704.09 - Step 5: Solve for x
x = 93,151,309,704.09/342,346.28 - Step 6: Final answer
x = 272,096.75
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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.