Finding the Fourth Proportional to 316,816.11, 474,926.49 and 106,306.43
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Solution
The fourth proportional to 316,816.11, 474,926.49 and 106,306.43 is: 159,359.75
Step by Step Solution
- Step 1: Write the proportion equation
316,816.11 : 474,926.49 = 106,306.43 : x - Step 2: Convert to fraction form
316,816.11/474,926.49 = 106,306.43/x - Step 3: Cross multiply
316,816.11x = 474,926.49 × 106,306.43 - Step 4: Simplify right side
316,816.11x = 50,487,737,289.70 - Step 5: Solve for x
x = 50,487,737,289.70/316,816.11 - Step 6: Final answer
x = 159,359.75
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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.