Finding the Fourth Proportional to 247,311.70, 370,967.55 and 168,579.70
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Solution
The fourth proportional to 247,311.70, 370,967.55 and 168,579.70 is: 252,869.55
Step by Step Solution
- Step 1: Write the proportion equation
247,311.70 : 370,967.55 = 168,579.70 : x - Step 2: Convert to fraction form
247,311.70/370,967.55 = 168,579.70/x - Step 3: Cross multiply
247,311.70x = 370,967.55 × 168,579.70 - Step 4: Simplify right side
247,311.70x = 62,537,598,288.74 - Step 5: Solve for x
x = 62,537,598,288.74/247,311.70 - Step 6: Final answer
x = 252,869.55
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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.