Finding the Fourth Proportional to 471,879.04, 651,170.64 and 257,018.08
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Solution
The fourth proportional to 471,879.04, 651,170.64 and 257,018.08 is: 354,672.73
Step by Step Solution
- Step 1: Write the proportion equation
471,879.04 : 651,170.64 = 257,018.08 : x - Step 2: Convert to fraction form
471,879.04/651,170.64 = 257,018.08/x - Step 3: Cross multiply
471,879.04x = 651,170.64 × 257,018.08 - Step 4: Simplify right side
471,879.04x = 167,362,627,645.17 - Step 5: Solve for x
x = 167,362,627,645.17/471,879.04 - Step 6: Final answer
x = 354,672.73
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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.