Finding the Fourth Proportional to 447,306.80, 670,730.36 and 131,722.70
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Solution
The fourth proportional to 447,306.80, 670,730.36 and 131,722.70 is: 197,516.37
Step by Step Solution
- Step 1: Write the proportion equation
447,306.80 : 670,730.36 = 131,722.70 : x - Step 2: Convert to fraction form
447,306.80/670,730.36 = 131,722.70/x - Step 3: Cross multiply
447,306.80x = 670,730.36 × 131,722.70 - Step 4: Simplify right side
447,306.80x = 88,350,413,991.17 - Step 5: Solve for x
x = 88,350,413,991.17/447,306.80 - Step 6: Final answer
x = 197,516.37
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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.