Finding the Fourth Proportional to 204,975.80, 307,463.70 and 163,503.80
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Solution
The fourth proportional to 204,975.80, 307,463.70 and 163,503.80 is: 245,255.70
Step by Step Solution
- Step 1: Write the proportion equation
204,975.80 : 307,463.70 = 163,503.80 : x - Step 2: Convert to fraction form
204,975.80/307,463.70 = 163,503.80/x - Step 3: Cross multiply
204,975.80x = 307,463.70 × 163,503.80 - Step 4: Simplify right side
204,975.80x = 50,271,483,312.06 - Step 5: Solve for x
x = 50,271,483,312.06/204,975.80 - Step 6: Final answer
x = 245,255.70
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1.5x scale
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.