Finding the Fourth Proportional to 215,970.76, 323,963.73 and 58,202.98
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Solution
The fourth proportional to 215,970.76, 323,963.73 and 58,202.98 is: 87,306.52
Step by Step Solution
- Step 1: Write the proportion equation
215,970.76 : 323,963.73 = 58,202.98 : x - Step 2: Convert to fraction form
215,970.76/323,963.73 = 58,202.98/x - Step 3: Cross multiply
215,970.76x = 323,963.73 × 58,202.98 - Step 4: Simplify right side
215,970.76x = 18,855,654,497.92 - Step 5: Solve for x
x = 18,855,654,497.92/215,970.76 - Step 6: Final answer
x = 87,306.52
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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.