Finding the Fourth Proportional to 285,052.79, 393,346.05 and 192,984.80
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Solution
The fourth proportional to 285,052.79, 393,346.05 and 192,984.80 is: 266,300.88
Step by Step Solution
- Step 1: Write the proportion equation
285,052.79 : 393,346.05 = 192,984.80 : x - Step 2: Convert to fraction form
285,052.79/393,346.05 = 192,984.80/x - Step 3: Cross multiply
285,052.79x = 393,346.05 × 192,984.80 - Step 4: Simplify right side
285,052.79x = 75,909,806,823.31 - Step 5: Solve for x
x = 75,909,806,823.31/285,052.79 - Step 6: Final answer
x = 266,300.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.