Finding the Fourth Proportional to 347,534.08, 479,454.48 and 211,458.94
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Solution
The fourth proportional to 347,534.08, 479,454.48 and 211,458.94 is: 291,726.60
Step by Step Solution
- Step 1: Write the proportion equation
347,534.08 : 479,454.48 = 211,458.94 : x - Step 2: Convert to fraction form
347,534.08/479,454.48 = 211,458.94/x - Step 3: Cross multiply
347,534.08x = 479,454.48 × 211,458.94 - Step 4: Simplify right side
347,534.08x = 101,384,936,119.05 - Step 5: Solve for x
x = 101,384,936,119.05/347,534.08 - Step 6: Final answer
x = 291,726.60
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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.