Finding the Fourth Proportional to 211,806.18, 292,293.02 and 116,319.03
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Solution
The fourth proportional to 211,806.18, 292,293.02 and 116,319.03 is: 160,520.53
Step by Step Solution
- Step 1: Write the proportion equation
211,806.18 : 292,293.02 = 116,319.03 : x - Step 2: Convert to fraction form
211,806.18/292,293.02 = 116,319.03/x - Step 3: Cross multiply
211,806.18x = 292,293.02 × 116,319.03 - Step 4: Simplify right side
211,806.18x = 33,999,240,562.17 - Step 5: Solve for x
x = 33,999,240,562.17/211,806.18 - Step 6: Final answer
x = 160,520.53
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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.