Finding the Fourth Proportional to 619,314.75, 929,128.19 and 176,082.75
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Solution
The fourth proportional to 619,314.75, 929,128.19 and 176,082.75 is: 264,168.50
Step by Step Solution
- Step 1: Write the proportion equation
619,314.75 : 929,128.19 = 176,082.75 : x - Step 2: Convert to fraction form
619,314.75/929,128.19 = 176,082.75/x - Step 3: Cross multiply
619,314.75x = 929,128.19 × 176,082.75 - Step 4: Simplify right side
619,314.75x = 163,603,445,917.31 - Step 5: Solve for x
x = 163,603,445,917.31/619,314.75 - Step 6: Final answer
x = 264,168.50
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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.