Finding the Fourth Proportional to 211,319.46, 291,628.08 and 115,826.13
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Solution
The fourth proportional to 211,319.46, 291,628.08 and 115,826.13 is: 159,844.02
Step by Step Solution
- Step 1: Write the proportion equation
211,319.46 : 291,628.08 = 115,826.13 : x - Step 2: Convert to fraction form
211,319.46/291,628.08 = 115,826.13/x - Step 3: Cross multiply
211,319.46x = 291,628.08 × 115,826.13 - Step 4: Simplify right side
211,319.46x = 33,778,151,905.73 - Step 5: Solve for x
x = 33,778,151,905.73/211,319.46 - Step 6: Final answer
x = 159,844.02
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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.