Finding the Fourth Proportional to 291,512.16, 437,268.24 and 166,765.68
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Solution
The fourth proportional to 291,512.16, 437,268.24 and 166,765.68 is: 250,148.52
Step by Step Solution
- Step 1: Write the proportion equation
291,512.16 : 437,268.24 = 166,765.68 : x - Step 2: Convert to fraction form
291,512.16/437,268.24 = 166,765.68/x - Step 3: Cross multiply
291,512.16x = 437,268.24 × 166,765.68 - Step 4: Simplify right side
291,512.16x = 72,921,335,386.00 - Step 5: Solve for x
x = 72,921,335,386.00/291,512.16 - Step 6: Final answer
x = 250,148.52
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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.