Finding the Fourth Proportional to 292,082.88, 403,074.39 and 157,946.88
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Solution
The fourth proportional to 292,082.88, 403,074.39 and 157,946.88 is: 217,966.70
Step by Step Solution
- Step 1: Write the proportion equation
292,082.88 : 403,074.39 = 157,946.88 : x - Step 2: Convert to fraction form
292,082.88/403,074.39 = 157,946.88/x - Step 3: Cross multiply
292,082.88x = 403,074.39 × 157,946.88 - Step 4: Simplify right side
292,082.88x = 63,664,340,293.03 - Step 5: Solve for x
x = 63,664,340,293.03/292,082.88 - Step 6: Final answer
x = 217,966.70
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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.