Finding the Fourth Proportional to 148,975.70, 223,470.84 and 49,135.46
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Solution
The fourth proportional to 148,975.70, 223,470.84 and 49,135.46 is: 73,705.59
Step by Step Solution
- Step 1: Write the proportion equation
148,975.70 : 223,470.84 = 49,135.46 : x - Step 2: Convert to fraction form
148,975.70/223,470.84 = 49,135.46/x - Step 3: Cross multiply
148,975.70x = 223,470.84 × 49,135.46 - Step 4: Simplify right side
148,975.70x = 10,980,342,519.99 - Step 5: Solve for x
x = 10,980,342,519.99/148,975.70 - Step 6: Final answer
x = 73,705.59
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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.