Finding the Fourth Proportional to 347,615.80, 521,423.70 and 110,975.80
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Solution
The fourth proportional to 347,615.80, 521,423.70 and 110,975.80 is: 166,463.70
Step by Step Solution
- Step 1: Write the proportion equation
347,615.80 : 521,423.70 = 110,975.80 : x - Step 2: Convert to fraction form
347,615.80/521,423.70 = 110,975.80/x - Step 3: Cross multiply
347,615.80x = 521,423.70 × 110,975.80 - Step 4: Simplify right side
347,615.80x = 57,865,412,246.46 - Step 5: Solve for x
x = 57,865,412,246.46/347,615.80 - Step 6: Final answer
x = 166,463.70
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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.