Finding the Fourth Proportional to 195,082.10, 292,746.16 and 76,738.06
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Solution
The fourth proportional to 195,082.10, 292,746.16 and 76,738.06 is: 115,155.48
Step by Step Solution
- Step 1: Write the proportion equation
195,082.10 : 292,746.16 = 76,738.06 : x - Step 2: Convert to fraction form
195,082.10/292,746.16 = 76,738.06/x - Step 3: Cross multiply
195,082.10x = 292,746.16 × 76,738.06 - Step 4: Simplify right side
195,082.10x = 22,464,772,390.85 - Step 5: Solve for x
x = 22,464,772,390.85/195,082.10 - Step 6: Final answer
x = 115,155.48
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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.