Finding the Fourth Proportional to 292,082.63, 403,074.09 and 157,946.63
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Solution
The fourth proportional to 292,082.63, 403,074.09 and 157,946.63 is: 217,966.38
Step by Step Solution
- Step 1: Write the proportion equation
292,082.63 : 403,074.09 = 157,946.63 : x - Step 2: Convert to fraction form
292,082.63/403,074.09 = 157,946.63/x - Step 3: Cross multiply
292,082.63x = 403,074.09 × 157,946.63 - Step 4: Simplify right side
292,082.63x = 63,664,192,140.45 - Step 5: Solve for x
x = 63,664,192,140.45/292,082.63 - Step 6: Final answer
x = 217,966.38
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1.5x scale
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.