Finding the Fourth Proportional to 340,532.28, 469,934.54 and 197,375.36
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Solution
The fourth proportional to 340,532.28, 469,934.54 and 197,375.36 is: 272,377.99
Step by Step Solution
- Step 1: Write the proportion equation
340,532.28 : 469,934.54 = 197,375.36 : x - Step 2: Convert to fraction form
340,532.28/469,934.54 = 197,375.36/x - Step 3: Cross multiply
340,532.28x = 469,934.54 × 197,375.36 - Step 4: Simplify right side
340,532.28x = 92,753,499,008.93 - Step 5: Solve for x
x = 92,753,499,008.93/340,532.28 - Step 6: Final answer
x = 272,377.99
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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.